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Genetic Screening and Expression Analysis of Psychrophilic Bacillus spp. Reveal Their Potential to Alleviate Cold Stress and Modulate Phytohormones in Wheat
Zubair, Muhammad1; Hanif, Alvina1; Farzand, Ayaz1,2; Sheikh, Taha Majid Mahmood1; Khan, Abdur Rashid1; Suleman, Muhammad3; Ayaz, Muhammad1; Gao, Xuewen1
2019-09
Source PublicationMICROORGANISMS   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
EISSN2076-2607
Volume7Issue:9
page numbers25
AbstractAbiotic stress in plants pose a major threat to cereal crop production worldwide and cold stress is also notorious for causing a decrease in plant growth and yield in wheat. The present study was designed to alleviate cold stress on plants by inoculating psychrophilic PGPR bacteria belonging to Bacillus genera isolated from extreme rhizospheric environments of Qinghai-Tibetan plateau. The genetic screening of psychrophilic Bacillus spp. CJCL2, RJGP41 and temperate B. velezensis FZB42 revealed presence of genetic features corresponding to cold stress response, membrane transport, signal transduction and osmotic regulation. Subsequently, the time frame study for the expression of genes involved in these pathways was also significantly higher in psychrophilic strains as analyzed through qPCR analysis at 4 degrees C. The inoculated cold tolerant Bacillus strains also aided in inducing stress response in wheat by regulating abscisic acid, lipid peroxidation and proline accumulation pathways in a beneficial manner. Moreover, during comparative analysis of growth promotion in wheat all three Bacillus strains showed significant results at 25 degrees C. Whereas, psychrophilic Bacillus strains CJCL2 and RJGP41 were able to positively regulate the expression of phytohormones leading to significant improvement in plant growth under cold stress.
Keywordpsychrophilic PGPR genetic screening signal transduction osmotic regulation plant-stress response
PublisherMDPI
DOI10.3390/microorganisms7090337
Indexed BySCIE
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFD0200400] ; National Natural Science Foundation of China[31972324] ; Jiangsu Independent Innovation Fund for Agricultural Science and Technology[CX(18) 1003] ; Joint Foundation of Scientific Research Think Tank of Biological Manufacturing Industry in Qingdao[QDSWZK201902]
WOS Research AreaMicrobiology
WOS SubjectMicrobiology
WOS IDWOS:000489131300064
PublisherMDPI
Original Document TypeArticle
PMID 31510075
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/417016
Collection兰州大学
生命科学学院
Corresponding AuthorGao, Xuewen
Affiliation
1.Nanjing Agr Univ, Coll Plant Protect, Dept Plant Pathol, Minist Educ,Key Lab Integrated Management Crop Di, Nanjing 210095, Jiangsu, Peoples R China
2.Univ Agr Faisalabad, Dept Plant Pathol, POB 38040, Faisalabad, Pakistan
3.Lanzhou Univ, Sch Life Sci, Inst Microbiol, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Zubair, Muhammad,Hanif, Alvina,Farzand, Ayaz,et al. Genetic Screening and Expression Analysis of Psychrophilic Bacillus spp. Reveal Their Potential to Alleviate Cold Stress and Modulate Phytohormones in Wheat[J]. MICROORGANISMS,2019,7(9).
APA Zubair, Muhammad.,Hanif, Alvina.,Farzand, Ayaz.,Sheikh, Taha Majid Mahmood.,Khan, Abdur Rashid.,...&Gao, Xuewen.(2019).Genetic Screening and Expression Analysis of Psychrophilic Bacillus spp. Reveal Their Potential to Alleviate Cold Stress and Modulate Phytohormones in Wheat.MICROORGANISMS,7(9).
MLA Zubair, Muhammad,et al."Genetic Screening and Expression Analysis of Psychrophilic Bacillus spp. Reveal Their Potential to Alleviate Cold Stress and Modulate Phytohormones in Wheat".MICROORGANISMS 7.9(2019).
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