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Genome-wide analyses on transcription factors and their potential microRNA regulators involved in maize male fertility

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The Crop Journal 2021年第6期9卷 1248-1262页

作者： Ziwen Li Taotao Zhu Shuangshuang Liu Yilin Jiang Haoyun Liu Yuwen Zhang Ke Xie Jinping Li Xueli An Xiangyuan Wan Zhongzhi International Institute of Agricultural biosciences Biology and Agriculture Research CenterUniversity of Science and Technology BeijingBeijing 100024China Beijing Engineering Laboratory of Main Crop bio-Tech Breeding Beijing International Science and Technology Cooperation Base of Bio-Tech BreedingBeijing 100192China

Anther development is a programmed biological process crucial to plant male reproduction. Genomewide analyses on the functions of transcriptional factor(TF) genes and their microRNA(miRNA) regulators contributing to anther development have not been comprehensively performed in maize. Here, using published RNA-Seq and small RNA-Seq(sRNA-Seq) data from maize anthers at ten developmental stages in three genic male-sterility(GMS) mutants(ocl4, mac1, and ms23) and wild type W23, as well as newly sequenced maize anther transcriptomes of ms7-6007 and lob30 GMS mutants and their WT lines, we analyzed and found 1079 stage-differentially expressed(stage-DE) TF genes that can be grouped into six(premeiotic, meiotic, postmeiotic, premeiotic-meiotic, premeiotic-postmeiotic, and meiotic-postmeiotic clusters) expression clusters. Functional enrichment combined with cytological and physiological analyses revealed specific functions of genes in each expression cluster. In addition, 118 stage-DE miRNAs and99 miRNA-TF gene pairs were identified in maize anthers. Further analyses revealed the regulatory roles of zma-miR319 and zma-miR159 as well as ZmMs7 and ZmLOB30 on ZmGAMYB expression. Moreover,ZmGAMYB and its paralog ZmGAMYB-2 were demonstrated as novel maize GMS genes by CRISPR/Cas9 knockout analysis. These results extend our understanding on the functions of miRNA-TF gene regulatory pairs and GMS TF genes contributing to male fertility in plants.

关键词： Transcription factor gene microRNA Anther development Male fertility Genic male sterility

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Nutritional composition and antioxidant activity of twenty mung bean cultivars in China

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The Crop Journal 2016年第5期4卷 398-406页

作者： Zhenxing Shi Yang Yao Yingying Zhu Guixing Ren Institute of Crop Science Chinese Academy of Agricultural Sciences Animal Science Unit Gembloux Agro-Bio Tech University of Liège

Interest in mung bean(Vigna radiata L.) as a functional food is growing; however, studies on the nutritional composition of major mung bean cultivars planted in China are *** Chinese mung bean cultivars were collected and their nutritional compositions including starch, fat, protein, and phytochemicals were analyzed. The cultivars were found to have a high amount of resistant starch, accounting for 16.1%–22.3% of total starch, and balanced amino acid constitutions. Palmitic acid and linoleic acid were the two dominant fatty acids, accounting for respectively 32.4% and 36.1% of all of the assayed fatty acids. Four bound phenolic acids(syringic, caffeic, p-coumaric, and ferulic acids) and two free phenolic acids(caffeic and ferulic acids) were identified by HPLC. The antioxidant activity of 70%ethanol extracts from the 20 mung bean cultivars was evaluated. Their DPPH and ABTS+free-radical-scavenging capacity ranged from 28.13 ± 2.24 to 35.68 ± 0.71 μmol g-1and from3.82 ± 0.25 to 13.44 ± 1.76 μmol g-1, respectively. Significant positive correlations of ABTS+free-radical-scavenging capacity with total phenolic acids and total flavonoid contents were observed. These results suggest that Chinese mung bean cultivars are rich in balanced nutrients and that their phytochemicals should be considered as potential sources of natural antioxidants.

关键词： Antioxidant Phenolic acid Amino acid Flavonoid

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Graded methionine dietary inclusions influence growth performance and apparent ileal amino acid digestibility coefficients and disappearance rates in broiler chickens

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Animal Nutrition 2022年第1期8卷 160-168页

作者： Shemil P.Macelline Peter V.Chrystal Leon R.McQuade Bernard V.Mclnerney Yangsu Kim Yumin Bao Peter H.Selle Sonia Y.Liu Poultry Research Foundation The University of SydneyCamdenNSW2570Australia School of Life and Environmental Sciences Faculty of ScienceThe University of SydneySydneyNSW2006Australia Baiada Poultry Ltd Pendle HillNSW2145Australia Australian Proteome Analysis Facility Macquarie UniversitySydneyNSW2109Australia cj bio 330Dongho-roJung-guSeoul100-400Republic of Korea Redox Pty Ltd MintoNSW2566Australia Sydney School of Veterinary Science The University of SydneyCamdenNSW2570Australia

Graded quantities of 1.38,2.76 and 4.14 g/kg L-methionine were included in a control diet formulated to contain 3.07 g/kg digestible *** of the 4 dietary treatments was offered to 6 replicate cages(initially 8 birds per cage)from 1 to 21 d *** parameters assessed included growth performance,nutrient utilisation(apparent metabolisable energy[AME],AME:GE ratios,N retention,Ncorrected apparent metabolisable energy[AMEn]),apparent digestibility coefficients and disappearance rates of amino acids in the distal *** also included free amino concentrations in systemic plasma(brachial vein)at 20 d postehatch and in hepatic tissue at 14 and 21 d *** L-methionine inclusions quadratically influenced weight gain(r=0.688;P=0.001)and FCR(r=0.780;P<0.001).It may be deduced from the quadratic regressions that 3.43 g/kg L-methionine supported maximum weight gain of 1,036 g/kg and 3.50 g/kg L-methionine minimum FCR of 1.193,from 1 to 21 d *** control diet contained specified levels of 3.07 g/kg digestible methionine and 13.0 g/kg digestible ***,an inclusion of 3.465 g/kg L-methionine corresponded to a total of 6.535 g/kg methionine or a methionine-to-lysine ratio of 50.3,which is higher than standard *** implications of this and other outcomes of the present study are reported and discussed.

关键词： Amino acid Broiler chicken Methionine

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The essential roles of sugar metabolism for pollen development and male fertility in plants

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The Crop Journal 2021年第6期9卷 1223-1236页

作者： Shuangshuang Liu Ziwen Li Suowei Wu Xiangyuan Wan Zhongzhi International Institute of Agricultural biosciences Shunde Graduate SchoolResearch Center of Biology and AgricultureUniversity of Science and Technology BeijingBeijing 100096China Beijing Engineering Laboratory of Main Crop bio-Tech Breeding Beijing International Science and Technology Cooperation Base of Bio-Tech BreedingBeijing Solidwill Sci-Tech Co.Ltd.Beijing 100192China

Sugar metabolism plays an essential role in plant male reproduction. Defects in sugar metabolism during anther and pollen development often result in genic male sterility(GMS). In this review, we summarize the recent progresses of the sugar metabolism-related GMS genes and their roles during plant anther and pollen development, including callose wall and primexine formation, intine development, pollen maturation and starch accumulation, anther dehiscence, and pollen germination and tube growth. We predict 112 putative sugar metabolic GMS genes in maize based on bioinformatics and RNA-seq analyses, and most of them have peak expression patterns during middle or late anther developmental ***, we outline the potential applications of sugar metabolic GMS genes in crop hybrid breeding and seed production. This review will deepen our understanding on sugar metabolic pathways in controlling pollen development and male fertility in plants.

关键词： Sugar metabolism Genic male sterility Pollen development Crop hybrid breeding Maize

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Pectin methylesterase inhibitors GhPMEI53 and AtPMEI19 improve seed germination by modulating cell wall plasticity in cotton and Arabidopsis

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Journal of Integrative Agriculture 2024年第10期23卷 3487-3505页

作者： Yayue Pei Yakong Wang Zhenzhen Wei Ji Liu Yonghui Li Shuya Ma Ye Wang Fuguang Li Jun Peng Zhi Wang Zhengzhou Research Base State Key Laboratory of Cotton Bio-breeding and Integrated UtilizationZhengzhou UniversityZhengzhou 450001China National Nanfan Research Institute(Sanya) Chinese Academy of Agricultural SciencesSanya 572024China National Key Laboratory of Cotton bio-breeding and Integrated Utilization/Institute of Cotton Research Chinese Academy ofAgricultural SciencesAnyang 455000China

The germination process of seeds is influenced by the interplay between two opposing factors,pectin methylesterase(PME)and pectin methylesterase inhibitor(PMEI),which collectively regulate patterns of pectin *** the recognized importance of pectin methylesterification in seed germination,the specific mechanisms that govern this process remain *** this study,we demonstrated that the overexpression of GhPMEI53is associated with a decrease in PME activity and an increase in pectin *** leads to seed cell wall softening,which positively regulates cotton seed ***19,the homologue in Arabidopsis thaliana,plays a similar role in seed germination to GhPMEI53,indicating a conserved function and mechanism of PMEI in seed germination *** studies revealed that GhPMEI53 and AtPMEI19 directly contribute to promoting radicle protrusion and seed germination by inducing cell wall softening and reducing mechanical ***,the pathways of abscicic acid(ABA)and gibberellin(GA)in the transgenic materials showed significant changes,suggesting that GhPMEI53/AtPMEI19-mediated pectin methylesterification serves as a regulatory signal for the related phytohormones involved in seed *** summary,GhPMEI53 and its homologs alter the mechanical properties of cell walls,which influence the mechanical resistance of the endosperm or ***,they impact cellular phytohormone pathways(e.g.,ABA and GA)to regulate seed *** findings enhance our understanding of pectin methylesterification in cellular morphological dynamics and signaling transduction,and contribute to a more comprehensive understanding of the PME/PMEI gene superfamily in plants.

关键词： cotton seed germination cell wall pectin demethylesterification PMEI ABA

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ZmMs33 promotes anther elongation via modulating cell elongation regulators,metabolic homeostasis,and cell wall remodeling in maize

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The Crop Journal 2023年第2期11卷 361-373页

作者： Ziwen Li Taotao Zhu Shuangshuang Liu Lina Zhao Xueli An Yan Long Xun Wei Juan Zhang Zhenying Dong Xiangyuan Wan Research Center of biology and Agriculture Shunde Graduate SchoolUniversity of Science and Technology BeijingBeijing 100024China Zhongzhi International Institute of Agricultural biosciences Beijing 100192China Beijing Engineering Laboratory of Main Crop bio-Tech Breeding Beijing International Science and Technology Cooperation Base of Bio-Tech BreedingBeijing Solidwill Sci-Tech Co.Ltd.Beijing 100192China

Plant cell elongation depends on well-defined gene regulations,adequate nutrients,and timely cell wall *** size is positively correlated with the number and viability of pollen grains,while little is known about molecular mechanisms underlying anther cell ***,we found that properly activated cell elongation regulators at transcriptional levels in loss-of-function ZmMs33 mutant(ms33-6038)anthers failed to promote maize anther ***33 deficiency disrupted metabolic homeostasis mainly by inhibiting both photosynthesis in anther endothecium and lipid accumulation in anther ***,ms33-6038 anthers displayed ectopic,premature and excessive secondary cell wall thickening in anther middle layer,which constrained cell elongation structurally and blocked nutrient flows across different anther wall *** metabolic disorder was only found in ms33-6038 mutant rather than several representative male-sterility lines at transcriptional and post-translational ***,the disordered metabolisms and blocked nutrient flows defeated the activated cell elongation regulators,and finally inhibited anther elongation and growth with a unique‘‘idling effect”in ms33-6038 mutant.

关键词： ZmMS33 Anther cell elongation Metabolic homeostasis Secondary cell wall thickening Male sterility Maize

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Developing superior alleles of yield genes in rice by artificial mutagenesis using the CRISPR/Cas9 system

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The Crop Journal 2018年第5期6卷 475-481页

作者： Liyu Huang Ru Zhang Guangfu Huang Yanxia Li Getachew Melaku Shilai Zhang Haitao Chen Yanjuan Zhao Jing Zhang Yesheng Zhang Fengyi Hu State Key Laboratory for Conservation and Utilization of bio-Resources in Yunnan/Research Center for Perennial Rice Engineering and Technology of Yunnan/School of Agriculture Yunnan University State Key Laboratory of Genetic Resources and Evolution Kunming Institute of Zoology Chinese Academy of Sciences BGI-Baoshan

Rice yield is an important and complex agronomic trait controlled by multiple *** recent decades,dozens of yield-associated genes in rice have been cloned,many of which can increase production in the form of loss or degeneration of ***,mutations occurring randomly under natural conditions have provided very limited genetic resources for yield *** this study,potentially yield-increasing alleles of two genes closely associated with yield were edited *** recently developed CRISPR/Cas9system was used to edit two yield genes:Grain number 1a(Gn1a)and DENSE AND ERECT PANICLE1(DEP1).Several mutants were identified by a target sequence *** analysis confirmed one mutant allele of Gn1a and three of DEP1 conferring yield superior to that conferred by other natural high-yield *** results demonstrate that favorable alleles of the Gnla and DEP1 genes,which are considered key factors in rice yield increases,could be developed by artificial mutagenesis using genome editing technology.

关键词： Rice CRISPR/Cas9 Gn1a DEP1 Gene editing

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Jasmonic acid-mediated stress responses share the molecular mechanism underlying male sterility induced by deficiency of ZmMs33 in maize

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The Crop Journal 2023年第4期11卷 1115-1127页

作者： Ziwen Li Shuangshuang Liu Taotao Zhu Jing Wang Meng Sun Xueli An Xun Wei Cuimei Liu Jinfang Chu Xiangyuan Wan Research Institute of biology and Agriculture Shunde Innovation SchoolUniversity of Science and Technology BeijingBeijing 100024China Zhongzhi International Institute of Agricultural biosciences Beijing 100192China Beijing Engineering Laboratory of Main Crop bio-Tech Breeding Beijing International Science and Technology Cooperation Base of Bio-Tech BreedingBeijing Solidwill Sci-Tech Co.Ltd.Beijing 100192China National Centre for Plant Gene Research(Beijing) Chinese Academy of SciencesBeijing 100101China College of Advanced Agricultural Sciences University of Chinese Academy of SciencesBeijing 100039China

Plant male reproduction is a fine-tuned developmental process that is susceptible to stressful environments and influences crop grain *** signaling functions in control of plant normal growth and development as well as in response to external stresses,but the interaction or crosstalk among phytohormone signaling,stress response,and male reproduction in plants remains poorly ***-species comparison among 514 stress-response transcriptomic libraries revealed that ms33-6038,a genic male sterile mutant deficient in the Zm Ms33/Zm GPAT6 gene,displayed an excessive drought stress-like transcriptional reprogramming in anthers triggered mainly by disturbed jasmonic acid(JA)*** increased level of JA appeared in Zm Ms33-deficient anthers at both meiotic and postmeiotic stages and activated genes involved in JA biosynthesis and signaling as well as genes functioning in JA-mediated drought *** accumulation of JA elevated expression level of a gene encoding a WRKY transcription factor that activated the Zm Ms33 *** findings reveal a feedback loop of Zm Ms33-JA-WRKY-Zm Ms33 in controlling male sterility and JA-mediated stress response in maize,shedding light on the crosstalk of stress response and male sterility mediated by phytohormone homeostasis and signaling.

关键词： ZmMs33/ZmGPAT6 Jasmonic acid Phytohormone homeostasis Male sterility Stress response

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Male sterility in crops: Application of human intelligence to natural variation

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The Crop Journal 2021年第6期9卷 1219-1222页

作者： Xiangyuan Wan Suowei Wu Yunbi Xu Zhongzhi International Institute of Agricultural biosciences Shunde Graduate SchoolResearch Center of Biology and AgricultureUniversity of Science and Technology BeijingBeijing 100096China Beijing Engineering Laboratory of Main Crop bio-Tech Breeding Beijing International Science and Technology Cooperation Base of Bio-Tech BreedingBeijing Solidwill Sci-Tech Co.Ltd.Beijing 100192China National Key Facility for Crop Gene Resources and Genetic Improvement Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081China International Maize and Wheat Improvement Center(CIMMYT) El Batan56130 TexcocoMexico

*** Global food security faces a severe challenge,as world population is predicted to grow by 25%and reach 10 billion by the mid-21 st century[1].With limited agricultural land and fresh water,greater and more sustainable crop production needs to be achieved by use of modern agricultural technologies[2,3].Among these are developing and exploiting more efficient heterosis utilization strategy with male sterile lines for hybrid breeding and seed production.

关键词： crops breeding sterile

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Functional conservation and divergence of miR156 and miR529 during rice development

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The Crop Journal 2023年第3期11卷 692-703页

作者： Yan Li Yizhou He Tian Qin Xuelian Guo Kun Xu Chunxue Xu Wenya Yuan State Key Laboratory of biocatalysis and Enzyme Engineering Hubei Collaborative Innovation Center for Green Transformation of Bio-ResourcesSchool of Life SciencesHubei UniversityWuhan 430062HubeiChina Oil Crops Research Institute of Chinese Academy of Agricultural Sciences Wuhan 430062HubeiChina Wuhan City Vocational College Wuhan 430064HubeiChina

MicroRNAs(miRNAs)are important regulatory elements involved in the regulation of various plant developmental and physiological processes by blocking the expression of target ***156 and miR529 are two combinatorial regulators,which cooperatively target the SQUAMOSA PROMOTER BINDING-LIKE(SPL)family ***,there has been no report about the functional conservation and divergence of miR156 and miR529 during plant development to *** this study,the biological function and relationship of miR156,miR529 and their target Os SPL14 in rice were *** of miR156e or miR529a(miR156e-OE and miR529a-OE)increased the grain size and tiller number but decreased the plant height and panicle length,while an opposite phenotype was observed for their target mimicry(miR156-MIMIC and miR529a-MIMIC)transgenic ***-loop RT-PCR results revealed ubiquitous expression of miR156 in roots,axillary buds and leaves,while miR529 was preferentially expressed in the ***,Os SPL14 could be preferentially and precisely cleaved by miR529a in young panicle but by miR156 in vegetative *** plants generated by the target immune strategy exhibited obvious growth defects upon the blocking of miR156 and/or miR529 function in rice,confirming that both miR156 and miR529 play important roles in controlling rice growth and ***,the miR156/miR529-Os SPL14 module negatively controlled grain size by regulating the genes associated with grain size and cell cycling,and controlled plant height through a more complicated *** together,our results demonstrate that miR156 and miR529 respectively function dominantly in the vegetative stage and reproductive stage to control rice growth and development by regulating the accumulation of Os *** findings facilitate a better understanding of the functional conservation and divergence of miR156 and miR529 family in the miRNA combinatorial regulatory network of plants.

关键词： MiRNA OsSPL14 Tiller number Grain size Oryza sativa

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