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Genome wide identification and characterization of MAPK genes reveals their potential in enhancing drought and salt stress tolerance in Gossypium hirsutum

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Journal of Cotton Research 2022年第3期5卷 261-273页

作者： SADAU Salisu Bello mehari teame gereziher AHMAD Adeel TAJO Sani Muhammad IBRAHIM Sani IQBAL Muhammad Shahid ELASAD Mohammed ZHANG Jingjing WEI Hengling YU Shuxun State Key Laboratory of Cotton Biology Institute of Cotton ResearchChinese Academy of Agricultural SciencesAnyangHenan 455000China Key Laboratory of Biology and Genetic Improvement of Oil Crops Ministry of AgricultureOil Crops Research InstituteChinese Academy of Agricultural SciencesWuhan 430062China Department of Science and Technology Education Bayero University KanoP.O.Box 3011KanoNigeria Agricultural Research Corporation(ARC) P.O.Box 126Wad MedaniSudan.

Background:The cotton crop is universally considered as protein and edible oil source besides the major contributor of natural fiber and is grown in tropical and subtropical regions around the world Unpredicted environmental stresses are becoming significant threats to sustainable cotton production,ultimately leading to a substantial irreversible economic ***-activated protein kinase(MAPK)is generally considered essential for recognizing environmental stresses through phosphorylating downstream signal pathways and plays a vital role in numerous biological ***:We have identified 74 MAPK genes across cotton,41 from ***,19 from ***,whereas 14 have been identified from *** MAPK gene-proteins have been further studied to determine their physicochemical characteristics and other essential *** this perspective,characterization,phylogenetic relationship,chromosomal mapping,gene motif,cis-regulatory element,and subcellular localization were carried *** on phylogenetic analysis,the MAPK family in cotton is usually categorized as A,B,C,D,and E *** to the results of the phylogenic relationship,cotton has more MAPKS genes in Clade A than Clade *** cis-elements identified were classified into five groups(hormone responsiveness,light responsiveness,stress responsiveness,cellular development,and binding site).The prevalence of such elements across the promoter region of these genes signifies their role in the growth and development of *** GHMAPK genes(GH_A07G1527,GH_D02G1138,GH_D03G0121,GH_D03G1517,GH_D05G1003,GH_D11G0040,and GH_D12G2528)were selected,and specific tissue expression and profiling were performed across drought and salt *** expressed that six genes were upregulated under drought treatment except for GH_D11G0040 which is *** all the seven genes have been upregulated at various hours of salt stress ***:RNA sequence and qPCR results showe

关键词： Cotton MAPK gene Drought stress Salt stress

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Genome wide identification and characterization of light-harvesting Chloro a/b binding(LHC)genes reveals their potential role in enhancing drought tolerance in Gossypium hirsutum

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Journal of Cotton Research 2021年第2期4卷 147-159页

作者： mehari teame gereziher XU Yanchao MAGWANGA Richard Odongo UMER Muhammad Jawad KIRUNGU Joy Nyangasi CAI Xiaoyan HOU Yuqing WANG Yuhong YU Shuxun WANG Kunbo ZHOU Zhongli LIU Fang State Key Laboratory of Cotton Biology/Institute of Cotton Research Chinese Academy of Agricultural Sciences(ICRCAAS)Anyang455000HenanChina Ethiopian Institute of Agricultural Research Mekhoni Agricultural Research CenterP.O.Box 47MekhoniTigrayEthiopia School of Biological and Physical Sciences(SBPS) Main CampusJaramogi Oginga Odinga University of Science and Technology(JOOUST)Main CampusP.O.Box 210-40601BondoKenya School of Agricultural Sciences Zhengzhou UniversityZhengzhouHenan450001China

Background: Cotton is an important commercial crop for being a valuable source of natural *** production has undergone a sharp decline because of abiotic stresses,*** is one of the major abiotic stress causing significant yield losses in ***,plants have evolved self-defense mechanisms to cope abiotic factors like drought,salt,cold,*** evolution of stress responsive transcription factors such as the trihelix,a nodule-inception-like protein(NLP),and the late embryogenesis abundant proteins have shown positive response in the resistance improvement to several abiotic ***: Genome wide identification and characterization of the effects of Light-Harvesting Chloro a/b binding(LHC)genes were carried out in cotton under drought stress conditions.A hundred and nine proteins encoded by the LHC genes were found in the cotton genome,with 55,27,and 27 genes found to be distributed in Gossypium hirsutum,***,and ***,*** proteins encoded by the genes were unevenly distributed on various *** Ka/Ks(Non-synonymous substitution rate/Synonymous substitution rate)values were less than one,an indication of negative selection of the gene *** expressions of genes showed that majority of the genes are being highly upregulated in the roots as compared with leaves and stem *** genes were found to be highly expressed in MR-85,a relative drought tolerant ***: The results provide proofs of the possible role of the LHC genes in improving drought stress tolerance,and can be explored by cotton breeders in releasing a more drought tolerant cotton varieties.

关键词： Cotton G hirsutum LHC genes Gene expression Drought tolerance

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Knockdown of 60S ribosomal protein L14‑2 reveals their potential regulatory roles to enhance drought and salt tolerance in cotton

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Journal of Cotton Research 2021年第4期4卷 308-321页

作者： SHIRAKU Margaret Linyerera MAGWANGA Richard Odongo CAI Xiaoyan KIRUNGU Joy Nyangasi XU Yanchao mehari teame gereziher HOU Yuqing WANG Yuhong WANG Kunbo PENG Renhai ZHOU Zhongli LIU Fang State Key Laboratory of Cotton Biology/Institute of Cotton Research Chinese Academy of Agricultural Science(ICRCAAS)Anyang 455000HenanChina School of Biological and Physical Sciences(SBPS) Main CampusJaramogi Oginga Odinga University of Science and Technology(JOOUST)Main CampusP.O.Box 210‑40601BondoKenya Anyang Institute of Technology Anyang 455000HenanChina School of Agricultural Sciences Zhengzhou UniversityZhengzhou 450001HenanChina

Background:Cotton is a valuable economic crop and the main significant source of natural fiber for textile industries *** effects of drought and salt stress pose a challenge to strong fiber and large-scale production due to the ever-changing climatic ***,plants have evolved a number of survival strategies,among them is the induction of various stress-responsive genes such as the ribosomal protein large(RPL)*** RPL gene families encode critical proteins,which alleviate the effects of drought and salt stress in *** this study,comprehensive and functional analysis of the cotton RPL genes was carried out under drought and salt ***:Based on the genome-wide evaluation,26,8,and 5 proteins containing the RPL14B domain were identified in Gossypium hirsutum,***,and ***,***,through bioinformatics analysis,key cis-regulatory elements related to RPL14B genes were *** Myb binding sites(MBS),abscisic acid-responsive element(ABRE),CAAT-box,TATA box,TGACG-motif,and CGTCA-motif responsive to methyl jasmonate,as well as the TCA-motif responsive to salicylic acid,were *** analysis revealed a key gene,Gh_D01G0234(RPL14B),with significantly higher induction levels was further evaluated through a reverse genetic *** knockdown of Gh_D01G0234(RPL14B)significantly affected the performance of cotton seedlings under drought/salt stress conditions,as evidenced by a substantial reduction in various morphological and physiological ***,the level of the antioxidant enzyme was significantly reduced in VIGS-plants,while oxidant enzyme levels increased significantly,as demonstrated by the higher malondialdehyde concentration ***:The results revealed the potential role of the RPL14B gene in promoting the induction of antioxidant enzymes,which are key in oxidizing the various *** key pathways need to be investigated and even as we exploit these genes

关键词： Abiotic stress Cotton Ribosomal protein large Transcription factor Virus-induced gene silencing

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Genetic map construction and functional characterization of genes within the segregation distortion regions(SDRs)in the F_(2:3) populations derived from wild cotton species of the D genome

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Journal of Cotton Research 2020年第4期3卷 278-296页

作者： KIRUNGU Joy Nyangasi MAGWANGA Richard Odongo SHIRAKU Margaret Linyerera LU Pu mehari teame gereziher XU Yuanchao HOU Yuqing AGONG Stephen Gaya ZHOU Yun CAI Xiaoyan ZHOU Zhongli WANG Kunbo LIU Fang State Key Laboratory of Cotton Biology/Institute of Cotton Research Chinese Academy of Agricultural ScienceAnyang 455000HenanChina School of Biological PhysicalMathematics and Actuarial Sciences(SBPMAS)Jaramogi Oginga Odinga University of Science and Technology(JOOUST)210-40601BondoKenya School of Life Science Henan University/State Key Laboratory of Cotton Biology/Henan Key Laboratory of Plant Stress BiologyKeifang 475004HenanChina School of Agricultural Sciences Zhengzhou UniversityZhengzhou 450001HenanChina.

Background:Segregation distortion(SD)is a common phenomenon among stable or segregating populations,and the principle behind it still puzzles many *** F2:3 progenies developed from the wild cotton species of the D genomes were used to investigate the possible plant transcription factors within the segregation distortion regions(SDRs).A consensus map was developed between two maps from the four D genomes,map A derived from F2:3 progenies of Gossypium klotzschianum and *** while Map B from *** and *** F2:3 *** each map,188 individual plants were ***:The consensus linkage map had 1492 markers across the 13 linkage groups with a map size of 1467.445 cM and an average marker distance of 1.0370 *** D502 had the highest percentage of SD with 58.6%,followed by Chromosome D507 with 47.9%.Six thousand and thirty-eight genes were mined within the SDRs on chromosome D502 and D507 of the consensus *** chromosome D502 and D507,2308 and 3730 genes were mined,respectively,and were found to belong to 1117 gourp out of which 622 groups were common across the two ***,genes within the top 9 groups related to plant resistance genes(R genes),whereas 188 genes encoding protein kinase domain(PF00069)comprised the largest *** analysis of the dominant gene group revealed that 287 miRNAs were found to target various genes,such as the gra-miR398,gramiR5207,miR164a,miR164b,miR164c among others,which have been found to target top-ranked stress-responsive transcription factors such as NAC ***,some of the stress-responsive cis-regulatory elements were also ***,RNA profiling of the genes from the dominant family showed that higher numbers of genes were highly upregulated under salt and osmotic stress conditions,and also they were highly expressed at different stages of fiber ***:The results indicated the critical role of the SDRs in the evolution of the k

关键词： Genetic map Segregation distortion region Cis-regulatory elements Genes miRNA

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Genome wide identification and characterization of MAPK genes reveals their potential in enhancing drought and salt stress tolerance in Gossypium hirsutum

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Journal of Cotton Research 2022年第3期

作者： SADAU Salisu Bello mehari teame gereziher AHMAD Adeel TAJO Sani Muhammad IBRAHIM Sani IQBAL Muhammad Shahid ELASAD Mohammed ZHANG Jingjing WEI Hengling YU Shuxun

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Genome wide identification andcharacterization of light-harvesting Chloroa/b binding(LHC) genes reveals theirpotential role in enhancing droughttolerance in Gossypium hirsutum

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Journal of Cotton Research 2021年第2期

作者： mehari teame gereziher XU Yanchao MAGWANGA Richard Odongo UMER Muhammad Jawad KIRUNGU Joy Nyangasi CAI Xiaoyan HOU Yuqing WANG Yuhong YU Shuxun WANG Kunbo ZHOU Zhongli LIU Fang

mehari teame gereziher1,2, XU Yanchao1, MAGWANGA Richard Odongo1,3, UMER Muhammad Jawad1,KIRUNGU Joy Nyangasi1, CAI Xiaoyan1, HOU Yuqing1, WANG Yuhong1, YU Shuxun1, WANG Kunbo1,ZHOU Zhongli1*and LIU Fang1,4*

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Genetic map construction and functional characterization of genes within the segregation distortion regions (SDRs) in the F_2：3 populations derived from wild cotton species of the D genome

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Journal of Cotton Research 2020年第4期

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