Organophosphorus insecticides mineralizing endophytic and rhizospheric soil bacterial consortium influence eggplant growth-promotion

被引：9
作者：
Das, Snygdha Rani [1 ]
Haque, Md Azizul [1 ]
Akbor, Md Ahedul [2 ]
Abdullah-Al-Mamun, Md [1 ]
Debnath, Gautam Chandra [1 ]
Hossain, Md Shohorab [1 ]
Hasan, Zoherul [1 ]
Rahman, Aminur [3 ]
Islam, Md Atikul [4 ]
Hossain, Md Al-Amin [1 ]
Yesmin, Shamima [1 ]
Nahar, Mst Nur-E-Nazmun [1 ]
Cho, Kye Man [5 ]
机构：
[1] Hajee Mohammad Danesh Sci & Technol Univ, Fac Agr, Dept Biochem & Mol Biol, Dinajpur 5200, Bangladesh
[2] Bangladesh Council Sci & Ind BCSIR, Inst Natl Analyt Res & Serv INARS, Dhaka 1205, Bangladesh
[3] Saga Univ, Fac Agr, Lab Appl Microbiol, Saga, Japan
[4] Hajee Mohammad Danesh Sci & Technol Univ, Fac Sci, Dept Chem, Dinajpur 5200, Bangladesh
[5] Gyeongsang Natl Univ, Dept Food Sci, Jinju 660751, South Korea
来源：
ARCHIVES OF MICROBIOLOGY | 2022年 / 204卷 / 03期
关键词：
Plant probiotics; Insecticides degradation; Growth enhancement; Consortium; Genome sequence; PLANT-GROWTH; CATALYTIC TRIAD; CHLORPYRIFOS; BIODEGRADATION; STRAIN; GENE; HYDROLASE; CLONING; KIMCHI; 3,5,6-TRICHLORO-2-PYRIDINOL;
D O I：
10.1007/s00203-022-02809-w
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
This study was aimed to evaluate eggplant's growth-enhancing activity of chlorpyrifos and diazinon-degrading endophytic and rhizospheric soil bacteria isolated from cauliflower and tomato roots and the rhizospheric soil of rice roots, respectively. The identified endophytes belong to the Acinetobacter, Enterobacter and Klebsiella genera, while rhizospheric soil isolates belong to Pantoea, Acinetobacter, Kosakonia, Morganella, Enterobacter, and Klebsiella genera with species variation and genetic distances. All the strain's consumed 100% (50 mg/5 mL) chlorpyrifos and diazinon after 14 days of exposure, except for Pantoea sp. HSTU-Sny4 (84%) and Kosakonia sp. HSTU-ASn39 (42%). The strain's exhibited N-fixation, P-solubilization, indole-3-acetic acid (IAA), and ACC-deaminase production capabilities. The individual strain's and consortium treatment enhanced eggplant growth at germination, seedling, vegetative and reproductive stages. Plant growth-promoting genes, e.g., nif-cluster, chemotaxis, phosphates, sulfur, abiotic stress, chemotaxis, biofilm formation and organophosphorus insecticide-degrading genes were annotated in Klebsiella sp. HSTU-Sny5 and Morganella sp. HSTU-ASny43 genomes. Importantly, the mixed consortium supplemented with 40% urea-treated eggplants demonstrated similar growth parameters compared to the 100% urea eggplants. Plenty of insecticide-degrading proteins belonged to HSTU-Sny5 and HSTU-ASny43 strain's and had interacted with 100 different insecticides as confirmed in virtual screening. This research has a significant role in reducing the application of chemical fertilizer and bioremediation of pesticides in agriculture.
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页数：22
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