Molecular and genetic regulations of fleshy fruit shape and lessons from Arabidopsis and rice  

作　　者：Qiang Li Shuangxia Luo Liying Zhang Qian Feng Lijun Song Manoj Sapkota Shuxin Xuan Yanhua Wang Jianjun Zhao Esther van der Knaap Xueping Chen Shuxing Shen 

机构地区：[1]College of Horticulture,State Key Laboratory of North China Crop Improvement and Regulation,Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei,Collaborative Innovation Center of Vegetable Industry in Hebei,Hebei Agricultural University,Baoding,Hebei 071000,China [2]Center for Applied Genetic Technologies,Institute for Plant Breeding,Genetics and Genomics,Department of Horticulture,University of Georgia,Athens,GA,USA

出　　处：《Horticulture Research》2023年第7期176-191,共16页园艺研究（英文）

基　　金：This work was supported by the Natural Science Foundation of Hebei Province(C2021204015);the 2021 Project for the Introduction of Oversea Students in Hebei Province(C20210510);science and technology research projects of colleges and universities in Hebei Province(ZD2022111);the Introduction of Talents Start-up fund of the State Key Laboratory of North China Crop Improvement and Regulation(NCCIR2020RC-13);the Introduction of Talents Start-up fund of Hebei Agricultural University(YJ2020067);the Hebei Fruit Vegetables Seed Industry Science and Technology Innovation Team Project(21326309D);the Vegetable Innovation Team Project of Hebei Modern Agricultural Industrial Technology System(HBCT2018030203).

摘　　要：Fleshy fruit shape is an important external quality trait influencing the usage of fruits and consumer preference.Thus,modification of fruit shape has become one of the major objectives for crop improvement.However,the underlying mechanisms of fruit shape regulation are poorly understood.In this review we summarize recent progress in the genetic basis of fleshy fruit shape regulation using tomato,cucumber,and peach as examples.Comparative analyses suggest that the OFP-TRM(OVATE Family Protein-TONNEAU1 Recruiting Motif)and IQD(IQ67 domain)pathways are probably conserved in regulating fruit shape by primarily modulating cell division patterns across fleshy fruit species.Interestingly,cucumber homologs of FRUITFULL(FUL1),CRABS CLAW(CRC)and 1-aminocyclopropane-1-carboxylate synthase 2(ACS2)were found to regulate fruit elongation.We also outline the recent progress in fruit shape regulation mediated by OFP-TRM and IQD pathways in Arabidopsis and rice,and propose that the OFP-TRM pathway and IQD pathway coordinate regulate fruit shape through integration of phytohormones,including brassinosteroids,gibberellic acids,and auxin,and microtubule organization.In addition,functional redundancy and divergence of the members of each of the OFP,TRM,and IQD families are also shown.This review provides a general overview of current knowledge in fruit shape regulation and discusses the possible mechanisms that need to be addressed in future studies.

关 键 词：ARABIDOPSIS MOLECULAR probably 

分 类 号：S642.2[农业科学—蔬菜学]