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Unveiling the biodiversity and evolutionary mysteries of the Himalayas in the genomic era 认领 引用
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作者 Yundong Gao Jia-Tang Li Shunping He 《Journal of Systematics and Evolution》 SCIE CSCD 2026年第1期1-3,共3页
With advances in transportation,information exchange,and technologies such as next-generation sequencing,a new era has dawned for investigating biodiversity and conservation in the Himalayan region.In this issue,we ha... With advances in transportation,information exchange,and technologies such as next-generation sequencing,a new era has dawned for investigating biodiversity and conservation in the Himalayan region.In this issue,we have gathered together leading researchers to deepen our understanding of the mechanisms and evolutionary processes shaping Himalayan biodiversity,as well as the implications of these for conservation. 展开更多
关键词 mechanisms evolutionary processes biodiversity Himalayas information exchange next generation sequencing biodiversity conservation evolutionary processes transportation
Molecular evolutionary analysis and expression patterns of nitrogen assimilation-related gene families in Lycium ruthenicum under salt stress 认领 引用
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作者 Jianwei Qi Jun Zhao +6 位作者 Songsong Lu Qianwen Song Luna Xing Weibo Du Xiaowei Zhang Xiaolei Zhou Yanjun Ma 《Fruit Research》 2025年第1期162-177,共16页
Nitrogen assimilation plays a critical role in the response of plants to salt stress.In this study,bioinformatics and computational biology methods were employed to identify members of the Lycium GS,GOGAT,and GDH gene... Nitrogen assimilation plays a critical role in the response of plants to salt stress.In this study,bioinformatics and computational biology methods were employed to identify members of the Lycium GS,GOGAT,and GDH gene families,and analyzed their expression patterns and transcriptional regulatory networks under salt stress in black wolfberry(Lycium ruthenicum).In addition,the adaptive evolutionary mechanisms of the black wolfberry Fd-GOGAT gene were explored.The results showed that the genomes or transcriptomes of Lycium species contain two to four GS genes,two GOGAT genes,and three to four GDH genes.Following NaCl stress,the expression of Fd-GOGAT and NADH-GOGAT in the leaves of black wolfberry was downregulated with increasing time and NaCl concentration;in the roots,Fd-GOGAT and NADH-GOGAT were upregulated by 1.79-fold and 1.40-fold,respectively,12 h after severe NaCl stress.GS2 and GS1.1 are highly expressed in leaves and roots,respectively,and their expression is significantly upregulated under NaCl stress.The expression of GDH in leaves is downregulated under salt stress,whereas in roots,the expression of NADP-GDH and GDH2 is upregulated under NaCl stress.C2H2-63,a key transcription factor regulating nitrogen assimilation in black wolfberry under salt stress,is likely to promote nitrogen assimilation through its upregulated expression.Additionally,seven positively selected sites(p.Glu220,p.Ala388,p.Ala880,p.Ser921,p.Leu1319,p.Ser1350,and p.Ser1570)were found in the Fd-GOGAT protein of black wolfberry.Compared to Ningxia wolfberry(L.barbarum),these mutation sites enhance the affinity of Fd-GOGAT for its substrate Glu,which helps to increase the catalytic efficiency of Fd-GOGAT in black wolfberry under salt stress.In conclusion,the adaptation of salt stress-related nitrogen assimilation genes in black wolfberry involves both gene expression regulation and adaptive evolution.Enhancing the GS/GOGAT pathway under salt stress is a primary strategic choice for nitrogen assimilation in black wolfberry. 展开更多
关键词 transcriptional regulatory networks computational biology methods salt stress genomes transcriptome molecular evolutionary analysis expression patterns nitrogen assimilation adaptive evolutionary mechanisms
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Polyploidy-induced epigenetic priming underlies enhanced salinity tolerance in soybean 认领 引用
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作者 Lei Wang Yun Li +4 位作者 Ying Liu Xinyu Jiang Wu Jiao Longfei Wang Qingxin Song 《Journal of Genetics and Genomics》 SCIE CAS CSCD 2026年第7期1336-1339,共4页
Polyploidy is a key evolutionary mechanism that underpins the adaptation and diversification of numerous organisms(Jiao et al.,2011).Polyploidization drives widespread transcriptional reprogramming and dramatic change... Polyploidy is a key evolutionary mechanism that underpins the adaptation and diversification of numerous organisms(Jiao et al.,2011).Polyploidization drives widespread transcriptional reprogramming and dramatic changes of epigenetic modifications(Van de Peer et al.,2021).These genomic and epigenomic changes enable polyploids to outperform their diploid progenitors in challenging environments(del Pozo and Ramirez‑Parra,2015).For example,physiological analyses reveal that both natural and resynthesized Arabidopsis autopolyploids display superior salinity tolerance relative to diploid plants,attributable to enhanced K⁺ retention and restricted Na⁺ accumulation(Chao et al.,2013). 展开更多
关键词 evolutionary mechanism epigenetic priming genomic epigenomic changes polyploidy salinity tolerance transcriptional reprogramming diploid progenitors adaptation diversification
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Large-scale plant genomic identification and analysis uncover ASMT/cOMT copy number variation driving melatonin dosage balance 认领 引用
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作者 Shuotong Liu Pei Yu 《Horticulture Research》 SCIE CSCD 2026年第3期416-433,共18页
ASMT/coMT,as a key rate-limiting enzyme regulating melatonin biosynthesis,has garnered significant attention.This study investigates the evolutionary mechanisms of the ASMT/COMT gene family in melatonin biosynthesis.A... ASMT/coMT,as a key rate-limiting enzyme regulating melatonin biosynthesis,has garnered significant attention.This study investigates the evolutionary mechanisms of the ASMT/COMT gene family in melatonin biosynthesis.A total of 28010 ASMT/COMT genes from 1o52 species were identified through an integrated approach combining large-scale identifications and analyses.At the pan-genome level,we identified 5186,336,2137,and 1814ASMT/COMT genes respectively in Triticum aestivum,Aegilops tauschii,diploid and tetraploid Solanum tuberosum haplotype genomes(247,86,670,and 96 orthologous gene groups).Expansion patterns of the ASMT/cOMT gene family were explored through synteny networks in 104 Poaceae and 88Solanaceae plants.Further investigation of copy number variation(CNV)in the 1o52 species,along with a focused analysis of hexaploid wheat and its diploid progenitor Ae.tauschii,indicated a functional divergence linked to gene dosage.The catalytically efficient COMT is maintained at low-copy conditions,whereas the less active ASMT is amplified under highcopy conditions.Intriguingly,in polyploid potatoes,the total ASMT/cOMT copy number was lower in tetraploids than in diploids,suggesting a distinct dosage balance mechanism operating in polyploids.In contrast,the melatonin receptor CAND2consistently remained in a low-copy state,with no significant correlation to AsMT/COMT copy number.Expression analysis revealed that COMT is generally expressed at higher levels than ASMT,highlighting a compensatory relationship between gene dosage and transcriptional regulation.Collectively,our findings uncover a dosage balance mechanism that fine-tunes melatonin biosynthetic homeostasis through coordinated cNV and expression regulation,offering a new perspective on the evolution of metabolic enzymes. 展开更多
关键词 large scale identification asmt comt gene family tetraploi synteny networks copy number variation melatonin biosynthesis integrated approach evolutionary mechanisms
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Hybridization footprint and themechanism of leaf color differences in Philodendron cultivars 认领 引用
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作者 Jiaxuan Chen Fangping LI +11 位作者 Cong Xu Jieying Liu Zhuangwei Hou Zhilong Huang Zenpeng Gan Yuchen Mao Xiaoran Yan Haifei Hu Zefu Wang Shaokui Wang HaiPing Fu Suhong Bu 《Horticulture Research》 SCIE CSCD 2026年第5期264-276,共13页
The genus Philodendron exhibits exceptional diversity and ornamental value,but the genetic and evolutionary mechanisms driving its speciation and trait variation remain largely unknown.In this study,we constructed a h... The genus Philodendron exhibits exceptional diversity and ornamental value,but the genetic and evolutionary mechanisms driving its speciation and trait variation remain largely unknown.In this study,we constructed a haplotype-resolved,near-complete genome of Philodendron tatei to investigate its evolutionary origins,resolve its phylogenomic placement within Araceae,reconstruct karyotype evolution,and explore genetic clusters and hybridization patterns within Philodendron cultivars.Additionally,the genetic and regulatory mechanisms underlying leaf color variation,a key horticultural trait,were explored.Phylogenomic analysis placed Philodendron within the Araceae family and provided insights into its karyotype evolution.Comparative genomic analyses identified five major genetic clusters across the genus,highlighting extensive hybridization and allele-specific expression as key contributors to Philodendron’s diversity.To investigate leaf color variation,variant mining and transcriptome profiling were conducted on samples with diverse pigmentation.Functional validation identified PtSGR1 as a critical regulator of pigmentation formation,with differences in promoter activity driving variation in leaf coloration.Overall,this study provides a comprehensive genomic framework for understanding Philodendron evolution and diversity,tracing the significant role of hybridization in shaping its speciation and identifying key genetic mechanisms underlying ornamental traits.These insights advance our understanding of plant evolution,contribute to horticultural innovation,and enhance the genetic resources available for studying this ecologically and economically important genus. 展开更多
关键词 Philodendron tatei leaf color variation phylogenomic analysis explore genetic clusters hybridization patterns genetic evolutionary mechanisms originsresolve its phylogenomic placement hybridization haplotype resolved genome
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An Analysis of Evolutionary Mechanism of Spiral National Innovation System 认领 引用
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作者 Dongpo Chang Guojie Zhao Xiaoqiang Xing 《China-USA Business Review》 2005年第10期66-69,共4页
This paper, angling our country＇s present condition of research on national innovation system （NIS）, designs a kind of spiral national innovation system （SNIS） with the core of human innovation. It respectively d... This paper, angling our country＇s present condition of research on national innovation system （NIS）, designs a kind of spiral national innovation system （SNIS） with the core of human innovation. It respectively discusses the three main factors of person, technology and institution to push the evolution of spiral national innovation system, and analyzes their interior interaction. Finally, the paper explains interior mechanism and motivation of the system. 展开更多
关键词 spiral national innovation system （SNIS） evolutionary mechanism human technology institution
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Study on the Influencing Factors and Mechanisms of the Evolution of the Architectural Characteristics of Guangfu Ancestral Halls in the Ming and Qing Dynasties 认领 引用
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作者 Yanming Chen Sharul Azim Sharudin Yunlin Xu 《Journal of World Architecture》 2024年第1期83-90,共8页
This paper discusses ancestral hall architecture within the context of the Cantonese folk lineage in the Pearl River Delta.Using a typological research approach and chronological analysis,various factors that have inf... This paper discusses ancestral hall architecture within the context of the Cantonese folk lineage in the Pearl River Delta.Using a typological research approach and chronological analysis,various factors that have influenced the evolution of ancestral hall architecture are analyzed.The study specifically investigates the features of ancestral halls during the Ming and Qing dynasties.Three periods of ancient China are analyzed:The transition from Ming to Qing,the mid-Qing dynasty,and the late Qing dynasty.The variables of each period and how they influence the evolution of architectural typological features are identified.Based on our analysis,architectural features are related to economic and social factors,materials available,and craftsmanship of the construction workers. 展开更多
关键词 Guangfu ancestral halls Architectural type characteristics Evolutionary influences Evolutionary impact mechanisms
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Studies on the Evolutionary Laws and Maintaining Mechanism of Renewability of the Yellow River's Water Resources 认领 引用
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《Bulletin of the Chinese Academy of Sciences》 2002年第4期204-206,共3页
　　The Yellow River has a vast catchment area and historically it is the mother river of the Chinese nation. Now it serves as one of the main theatres for the on-going national campaign to develop China's western... 　　The Yellow River has a vast catchment area and historically it is the mother river of the Chinese nation. Now it serves as one of the main theatres for the on-going national campaign to develop China's western hinterland.…… 展开更多
关键词 Studies on the Evolutionary Laws and Maintaining Mechanism of Renewability of the Yellow River’s Water Resources Laws
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Stress-Induced Endogenous Cannabinoid Signaling Contributes to Fear Generalization 认领 引用
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作者 Yanan Yue Xia Zhang Yuan Dong 《Neuroscience Bulletin》 SCIE CAS CSCD 2025年第6期1123-1126,共4页
The phenomenon of fear memory generalization can be defined as the expansion of an individual's originally specific fear responses to a similar yet genuinely harmless stimulus or situation subsequent to the occurr... The phenomenon of fear memory generalization can be defined as the expansion of an individual's originally specific fear responses to a similar yet genuinely harmless stimulus or situation subsequent to the occurrence of a traumatic event[1].Fear generalization within the normal range represents an adaptive evolutionary mechanism to facilitate prompt reactions to potential threats and to enhance the likelihood of survival. 展开更多
关键词 stress adaptive mechanism originally specific fear responses fear memory generalization endogenous cannabinoid signaling fear generalization adaptive evolutionary mechanism enhance likelihood survival
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Reclamation-oriented spatiotemporal evolution of coastal wetland along Bohai Rim,China 认领 引用 被引量：1
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作者 Fan Wei Mei Han +4 位作者 Guangxuan Han Min Wang Lixin Tian Jiqian Zhu Xianglun Kong 《Acta Oceanologica Sinica》 SCIE CAS CSCD 2022年第9期192-204,共13页
Coastal wetlands are located in the ecotone of interaction between the land surface and sea,and anthropogenic activities extensively interfere with these wetlands through the reclamation of large tidal wetlands and de... Coastal wetlands are located in the ecotone of interaction between the land surface and sea,and anthropogenic activities extensively interfere with these wetlands through the reclamation of large tidal wetlands and destruction of the function of the ecosystems.In this study,we investigated the dynamic evolutionary characteristics of the Bohai Rim coastal area over the past 40 years using the Modified Normalized Difference Water Index,the fractal dimension,object-oriented classification,the land-use transfer trajectory,and regression analysis.Additionally,we quantified and monitored the evolution of reclamation and analyzed the correlation between reclamation and coastal wetlands based on 99 Landsat-2,-5,and-8 images(at 60 m and 30 m spatial resolution) over the period 1980–2019.The results are as follows.(1) The coastline of the Bohai Rim increased by 1 631.2 km from 1980 to2019 with a zigzag variation.The artificial coastline increased by 2 946.1 km,whereas the natural coastline decreased by 90%.(2) The area of man-made wetlands increased by 3 736.9 km~2,the area of construction land increased by 1 008.4 km~2,and the natural wetland area decreased by 66%.The decrease of tidal flats is the main contributor to the decrease of natural wetland area(takes account for 91.1%).Coastal areas are affected by intense human disturbance,which was taken place across a large area of tidal flats and caused the landscape to fragment and be more heterogeneous.The coastal zone development activities were primarily concentrated in the southern Laizhou Bay,the Yellow River Delta,the Bohai Bay,the northern Liaodong Bay,and the Pulandian Bay.The solidified shorelines and increase in sea level have resulted in intertidal wetlands decreasing and impaired wetland ecology.(3) There is a good agreement between reclamation and the size of the coastal wetlands.Both land reclamation and the reduction in coastal wetland areas are significantly related to the population size,fishery output value,and urbanization rate.In summary,human activities,such as the construction of aquaculture ponds and salt pans,industrialization,and urbanization,are the primary forces that influence the environmental changes in the coastal region.This study is beneficial for establishing and improving the systems for the rational development and utilization of natural resources,and provides theoretical references for restoring wetland ecology and managing future reclamation activities in other coastal zone-related areas. 展开更多
关键词 Bohai Rim coastal wetlands land reclamation evolutionary mechanisms coastal management
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Evolution and geographic effects of high-speed rail in East Asia: An accessibility approach 认领 引用 被引量：23
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作者 金凤君 焦敬娟 +1 位作者 齐元静 杨宇 《Journal of Geographical Sciences》 SCIE CSCD 2017年第5期515-532,共18页
The rapid development of high-speed rail（HSR） is influencing regional development, regional structure, commuting, and regional integration. East Asia is the region with the world＇s first and largest current operati... The rapid development of high-speed rail（HSR） is influencing regional development, regional structure, commuting, and regional integration. East Asia is the region with the world＇s first and largest current operating and planned HSR network. In this paper, we examine the evolutionary mechanism and impacts on the transport circle and accessibility of HSR in East Asia. The results indicate that the HSR network first follows a ＂core-core＂ model and then forms a corridor in Japan, South Korea, and China Taiwan, but then forms a complete network in China Mainland. The current operating HSR lines are mostly distributed in regions with developed economies and dense populations, and more than half of the population and GDP in China can be served by HSR within 1 hour＇s travel time. The planned HSR network will expand to the western region of China and Japan and the southern region of South Korea. The development of the current operating and planned HSR network considerably enlarges the transport circle of core cities, especially cities along trunk HSR lines. This 1 h transport circle of core cities has formed continuous regions in the Yangtze River Delta, the Pearl River Delta, Tokyo, Seoul, and along trunk HSR lines. The HSR network will bring about substantial improvement in accessiblity, but also increase the inequality of nodal accessibility in China Mainland. Spatially, the spatial patterns of the weighted shortest travel time of cities in China Mainland, Japan, and South Korea all present the ＂core-peripheral structure＂, taking Zhengzhou, Tokyo, and Seoul, respectively, as core cities, and cities located along the trunk HSR lines gain large improvement in accessibility. 展开更多
关键词 high-speed rail East Asia evolutionary mechanism geographic effects accessibility
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A new evolutional model for institutional field knowledge flow network 认领 引用
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作者 Jinzhong Guo Kai Wang +1 位作者 Xueqin Liao Xiaoling Liu 《Journal of Data and Information Science》 CSCD 2024年第1期101-123,共23页
Purpose:This paper aims to address the limitations in existing research on the evolution of knowledge flow networks by proposing a meso-level institutional field knowledge flow network evolution model(IKM).The purpose... Purpose:This paper aims to address the limitations in existing research on the evolution of knowledge flow networks by proposing a meso-level institutional field knowledge flow network evolution model(IKM).The purpose is to simulate the construction process of a knowledge flow network using knowledge organizations as units and to investigate its effectiveness in replicating institutional field knowledge flow networks.Design/Methodology/Approach:The IKM model enhances the preferential attachment and growth observed in scale-free BA networks,while incorporating three adjustment parameters to simulate the selection of connection targets and the types of nodes involved in the network evolution process Using the PageRank algorithm to calculate the significance of nodes within the knowledge flow network.To compare its performance,the BA and DMS models are also employed for simulating the network.Pearson coefficient analysis is conducted on the simulated networks generated by the IKM,BA and DMS models,as well as on the actual network.Findings:The research findings demonstrate that the IKM model outperforms the BA and DMS models in replicating the institutional field knowledge flow network.It provides comprehensive insights into the evolution mechanism of knowledge flow networks in the scientific research realm.The model also exhibits potential applicability to other knowledge networks that involve knowledge organizations as node units.Research Limitations:This study has some limitations.Firstly,it primarily focuses on the evolution of knowledge flow networks within the field of physics,neglecting other fields.Additionally,the analysis is based on a specific set of data,which may limit the generalizability of the findings.Future research could address these limitations by exploring knowledge flow networks in diverse fields and utilizing broader datasets.Practical Implications:The proposed IKM model offers practical implications for the construction and analysis of knowledge flow networks within institutions.It provides a valuable tool for understanding and managing knowledge exchange between knowledge organizations.The model can aid in optimizing knowledge flow and enhancing collaboration within organizations.Originality/value:This research highlights the significance of meso-level studies in understanding knowledge organization and its impact on knowledge flow networks.The IKM model demonstrates its effectiveness in replicating institutional field knowledge flow networks and offers practical implications for knowledge management in institutions.Moreover,the model has the potential to be applied to other knowledge networks,which are formed by knowledge organizations as node units. 展开更多
关键词 Knowledge flow networks Evolutionary mechanism BA model Knowledge units
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Retinoic acid signaling reboots the evolution of mammalian regenerative capacity 认领 引用
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作者 Yang Liu Qingran Kong 《Science China(Life Sciences)》 SCIE CSCD 2026年第3期1050-1052,共3页
The evolutionary mechanism behind regenerative ability is one of the core scientific questions.Lin et al.(2025)uncover that insufficient endogenous production of retinoic acid(RA)contributes to the failure of ear pinn... The evolutionary mechanism behind regenerative ability is one of the core scientific questions.Lin et al.(2025)uncover that insufficient endogenous production of retinoic acid(RA)contributes to the failure of ear pinna regeneration in mice and rats.Exogenous supplementation with RA or activation of Aldh1a2,the rate-limiting enzyme in RA synthesis,is sufficient to restore regenerative capacity in these species.These findings highlight the critical role of the RA signaling pathway in the evolutionary regulation of tissue regeneration across animal species. 展开更多
关键词 regenerative ability regenerative capacity retinoic acid evolutionary regulation retinoic acid ra contributes signaling pathway ear pinna regeneration evolutionary mechanism
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Evolutionary mechanism and frequency response of graphite electrode at extreme temperatures 认领 引用
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作者 Shanpeng Pei Zhiyong Zhang +9 位作者 Xiuli Zhang Yan Liu Xiang Han Linshan Luo Pengfei Su Chaofei Lan Wei Huang Ziqi Zhang Ming-Sheng Wang Songyan Chen 《Nano Research》 SCIE EI CSCD 2024年第8期7283-7289,共7页
The battery management system is employed to monitor the external temperature of the lithium-ion battery in order to detect any potential overheating.However,this outside–in detection method often suffers from a lag ... The battery management system is employed to monitor the external temperature of the lithium-ion battery in order to detect any potential overheating.However,this outside–in detection method often suffers from a lag and is therefore unable to accurately predict the battery’s real-time state.Herein,an inside–out frequency response approach is used to accurately monitor the battery’s state at various temperatures in real-time and correlate it with the solid electrolyte interphase(SEI)evolution of the graphite electrode.The SEI evolution at temperatures of−15,25,60,and 90℃exhibits certain regular characteristics with temperature change.At a temperature of−15℃,the Li+-solvent interaction of lithium-ion slowed down,resulting in a significant reduction in performance.At 25℃,a LiF-rich inorganic SEI was identified as forming,which facilitated lithium-ion transportation.However,high temperatures would induce decomposition of lithium hexafluorophosphate(LiPF6)and lithium-ion electrolyte.At the extreme temperature of 90℃,the SEI would be organic-rich,and LixPyFz,a decomposition product of lithium salts,was further oxidized to LixPOyFz,which led to a surge in the charge-transfer resistance at SEI(Rsei)and a reduction in Coulombic efficiency(CE).This changing relationship can be recorded in real time from the inside out by electrochemical impedance spectroscopy(EIS)testing.This provides a new theoretical basis for the structural evolution of lithium-ion batteries and the regular characterization of EIS. 展开更多
关键词 graphite electrode solid electrolyte interphase(SEI)film extreme temperatures frequency response evolutionary mechanism
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Advances in Low-Level Jet Research and Future Prospects 认领 引用 被引量：7
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作者 刘鸿波 何明洋 +1 位作者 王斌 张庆红 《Journal of Meteorological Research》 SCIE 2014年第1期57-75,共19页
The low-level jet （LLJ） is closely related to severe rainfall events, air pollution, wind energy utilization, aviation safety, sandstorms, forest fire, and other weather and climate phenomena. Therefore, it has attr... The low-level jet （LLJ） is closely related to severe rainfall events, air pollution, wind energy utilization, aviation safety, sandstorms, forest fire, and other weather and climate phenomena. Therefore, it has attracted considerable attention since its discovery. Scientists have carried out many studies on LLJs and made significant achievements during the past five or six decades. This article summarizes and assesses the current knowledge on this subject, and focuses in particular on three aspects： 1） LLJ classification, definition, distribution, and structure; 2） LLJ formation and evolutionary mechanisms; and 3） relationships between LLJ and rainfall, as well as other interdisciplinary fields. After comparing the status of LLJ research at home （China） and abroad, we then discuss the shortcomings of LLJ research in China. We suggest that this includes： coarse definitions of the LLJ, lack of observations and inadequate quality control, few thorough explorations of LLJ characteristics and formation mechanisms, and limited studies in interdisciplinary fields. The future prospects for several LLJ research avenues are also speculated. 展开更多
关键词 low-level jet structural and evolutionary mechanisms rainfall interdisciplinary research
Harnessing Knowledge from Maize and Rice Domestication for New Crop Breeding 认领 引用 被引量：21
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作者 Qiuyue Chen Weiya Li +1 位作者 Lubin Tan Feng Tian 《Molecular Plant》 SCIE CSCD 2021年第1期9-26,共18页
Crop domestication has fundamentally altered the course of human history,causing a shift from huntergatherer to agricultural societies and stimulating the rise of modern civilization.A greater understanding of crop do... Crop domestication has fundamentally altered the course of human history,causing a shift from huntergatherer to agricultural societies and stimulating the rise of modern civilization.A greater understanding of crop domestication would provide a theoretical basis for how we could improve current crops and develop new crops to deal with environmental challenges in a sustainable manner.Here,we provide a comprehensive summary of the similarities and differences in the domestication processes of maize and rice,two major staple food crops that feed the world.We propose that maize and rice might have evolved distinct genetic solutions toward domestication.Maize and rice domestication appears to be associated with distinct regulatory and evolutionary mechanisms.Rice domestication tended to select de novo,loss-of-function,coding variation,while maize domestication more frequently favored standing,gain-offunction,regulatory variation.At the gene network level,distinct genetic paths were used to acquire convergent phenotypes in maize and rice domestication,during which different central genes were utilized,orthologous genes played different evolutionary roles,and unique genes or regulatory modules were acquired for establishing new traits.Finally,we discuss how the knowledge gained from past domestication processes,together with emerging technologies,could be exploited to improve modern crop breeding and domesticate new crops to meet increasing human demands. 展开更多
关键词 maize rice regulatot7 and evolutionary mechanism domestication gene network de novo domestication
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