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| 1 | Protein Phosphorylation and Phosphoproteome:An Overview of Rice显示文摘Protein phosphorylation,one of the major post-translational modifications,plays a crucial role in cell signaling,DNA replication,gene expression and differentiation;and alters enzyme activity and other biological activities;and regulates cell proliferation and enlargement,phytohormone biosynthesis and signaling,plant disease resistance,and grain filling and quality during rice seed development.Research work on protein phosphorylation started in the 1950 s with the discovery of phosphorylase a and phosphorylase b which are phospho and dephospho forms of the same enzyme.Over the last decade,rice proteomics has accomplished tremendous progress in setting up techniques to proteome nearly all tissues,organs and organelles.The progress made in this field is evident in number of research works.However,research on rice protein phosphorylation is still at its infancy and there are still many unanswered questions.In this review,the general description of protein phosphorylation,including history,structure,frequency of occurrence and function,are discussed.This work also elucidates the different methods for identification,qualification and finally,the progress in rice phosphoproteome research and perspectives. | Abolore Adijat AJADI Amara CISSE Shakeel AHMAD WANG Yifeng SHU Yazhou LI Shufan LIU Xixi Babatunde Kazeem BELLO Sani Muhammad TAJO TONG Xiaohong ZHANG Jian | 2020 | Rice science2020，27，3： | 5 |
| 2 | Validating field regeneration capacity for selected accessions of Gossypium hirsutum using callus induction and regeneration capacity显示文摘Background Gossypium hirsutum undergoes rapid clonal propagation to regenerate a mature plant through tissue culture.However,the correlation between cotton leaf regeneration,callus induction,and regeneration ability was still obscure.In this research,cotton leaf regeneration level for 21 accessions in the field(new leaves)was observed after the first harvest,and a comparison between field regeneration level and callus induction with its regeneration capacity(new shoots and roots)for the same 21 accessions was carried out.Agronomic traits,including plant height,leaf area,fresh leaf weight,dry leaf weight,the number of flowers and bolls,and biochemical(proline content)and physiological(chlorophyll and carotenoid content)traits during the flowering stage of 21 upland cotton accessions,were investigated.Result A significant correlation between physiological parameters and callus induction was discovered.Callus induction and regeneration capacity of roots and shoots for hypocotyl,cotyledons,and shoot tip tissues were used to validate field leaf regeneration level after the first harvest.CCRI 24 showed significant leaf regeneration in the field and callus induction capacity through callus induction and regeneration.Conclusion We found a substantial relationship between field regeneration capability and callus induction with its regeneration capacity for the hypocotyl,cotyledons,and shoot tip.The results showed that ZS061,Lumian 378,Jimian 863,and ZS065 have the highest moisture retention capacity,while CCRI 24,Liaoyang Duomaomian,and Beizhe Gongshemian have the lowest moisture retention capacity.CCRI 24 has the highest leaf regeneration capacity in the field,while Beizhe Gongshemian has the lowest leaf regeneration capacity.All our result provides a clue for checking the regeneration capacity through leaf regeneration level in the field. | TAJO Sani Muhammad PAN Zhaoe HE Shoupu JIA Yinhua MAHMOOD Tahir NAZIR Mian Fasil HU Daowu WANG Liru SADAU Salisu Bello IBRAHIM Sani AUTA Umar GENG Xiaoli DU Xiongming | 2023 | Journal of Cotton Research2023，6，2： | 0 |
| 3 | Genome wide identification and characterization of MAPK genes reveals their potential in enhancing drought and salt stress tolerance in Gossypium hirsutum显示文摘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 loss.Mitogen-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 processes.Results:We have identified 74 MAPK genes across cotton,41 from G.hirsutum,19 from G.raimondii,whereas 14 have been identified from G.arboreum.The MAPK gene-proteins have been further studied to determine their physicochemical characteristics and other essential features.In this perspective,characterization,phylogenetic relationship,chromosomal mapping,gene motif,cis-regulatory element,and subcellular localization were carried out.Based on phylogenetic analysis,the MAPK family in cotton is usually categorized as A,B,C,D,and E clade.According to the results of the phylogenic relationship,cotton has more MAPKS genes in Clade A than Clade B.The 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 plants.Seven 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 stresses.Results expressed that six genes were upregulated under drought treatment except for GH_D11G0040 which is downregulated.Whereas all the seven genes have been upregulated at various hours of salt stress treatment.Conclusions:RNA sequence and qPCR results showed that genes as differentially expressed across both vegetative and reproductive plant parts.Similarly,the qPCR analysis showed that six genes had been upregulated substantially through drought treatment while all the seven genes were upregulated across salt treatments.The results of this study showed that cotton GHMPK3 genes play an important role in improving cotton resistance to drought and salt stresses.MAPKs are thought to play a significant regulatory function in plants’responses to abiotic stresses according to various studies.MAPKs’involvement in abiotic stress signaling and innovation is a key goal for crop species research,especially in crop breeding. | SADAU Salisu Bello MEHARI Teame Gereziher AHMAD Adeel TAJO Sani Muhammad IBRAHIM Sani IQBAL Muhammad Shahid ELASAD Mohammed ZHANG Jingjing WEI Hengling YU Shuxun | 2022 | Journal of Cotton Research2022，5，3： | 0 |
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