Transcriptome analysis of crude oil degrading Pseudomonas aeruginosa strains for identification of potential genes involved in crude oil degradation

被引：19
作者：
Das, Dhrubajyoti [1 ,2 ]
Mawlong, Gabriella T. [1 ]
Sarki, Yogita N. [1 ,2 ]
Singh, Anil Kumar [1 ,2 ]
Chikkaputtaiah, Channakeshavaiah [1 ,2 ]
Boruah, Hari Prasanna Deka [1 ,2 ]
机构：
[1] CSIR North East Inst Sci & Technol, Biol Sci & Technol Div, Biotechnol Grp, Jorhat 785006, Assam, India
[2] Acad Innovat & Sci Res AcSIR, CSIR NEIST, Jorhat 785006, Assam, India
来源：
GENE | 2020年 / 755卷
关键词：
Pseudomonas aeruginosa; transcriptome; crude oil; differentially expressed gene; TP16; qRT-PCR; CONTAMINATED SOIL; PETROLEUM-HYDROCARBONS; BIODEGRADATION; BIOREMEDIATION; DOMINANT; BACTERIA;
D O I：
10.1016/j.gene.2020.144909
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
In the microbial world, bacteria are the most effective agents in petroleum hydrocarbons (PHs) degradation, utilization/mineralization and they serve as essential degraders of crude oil contaminated environment. Some genes and traits are involved in the hydrocarbon utilization process for which transcriptome analyses are important to identify differentially expressed genes (DEGs) among different conditions, leading to a new understanding of genes or pathways associated with crude oil degradation. In this work, three crude oil utilizing Pseudomonas aeruginosa strains designated as N002, TP16 and J001 subjected to transcriptome analyses revealed a total of 81, 269 and 137 significant DEGs. Among them are 80 up-regulated genes and one down-regulated gene of N002, 121 up- regulated and 148 down-regulated genes of TP16, 97 up-regulated and 40 down-regulated genes of J001 which are involved in various metabolic pathways. TP16 strain has shown more number of DEGs upon crude oil treatment in comparison to the other two strains. Through quantitative real time polymerase chain reaction (qRT-PCR), the selected DEGs of each strain from transcriptome data were substantiated. The results have shown that the up- regulated and down-regulated genes observed by qRT-PCR were consistent with transcriptome data. Taken together, our transcriptome results have revealed that TP16 is a potential P. aeruginosa strain for functional analysis of identified potential DEGs involved in crude oil degradation.
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页数：17
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