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Genome-wide analysis and comparison of the DNA-binding one zinc finger gene family in diploid and tetraploid cotton (Gossypium).


ABSTRACT: The Dof (DNA-binding one zinc finger) transcription factor family is a representative of plant-specific classes of transcription factors. In this study, we performed a genome-wide screening and characterization of the Dof gene family within two tetraploid species Gossypium barbadense, Gossypium hirsutum, and two diploid species Gossypium arboreum, Gossypium raimondii. 115, 116, 55 and 56 Dof genes were identified respectively and all of the genes contain a sequence encoding the Dof DNA-binding domain. Those genes were unevenly distributed across 13/26 chromosomes of the cotton. Genome comparison revealed that segmental duplication may have played crucial roles in the expansion of the cotton Dof gene family, and tandem duplication also played a minor role. Analysis of RNA-Seq data indicated that cotton Dof gene expression levels varied across different tissues and in response to different abiotic stress. Overall, our results could provide valuable information for better understanding the evolution of cotton Dof genes, and lays a foundation for future investigation in cotton.

SUBMITTER: Li Y 

PROVIDER: S-EPMC7323982 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Genome-wide analysis and comparison of the DNA-binding one zinc finger gene family in diploid and tetraploid cotton (Gossypium).

Li YuZhe Y   Liu Zhen Z   Zhang KaiYue K   Chen SenYi S   Liu MengJie M   Zhang QingDe Q  

PloS one 20200629 6


The Dof (DNA-binding one zinc finger) transcription factor family is a representative of plant-specific classes of transcription factors. In this study, we performed a genome-wide screening and characterization of the Dof gene family within two tetraploid species Gossypium barbadense, Gossypium hirsutum, and two diploid species Gossypium arboreum, Gossypium raimondii. 115, 116, 55 and 56 Dof genes were identified respectively and all of the genes contain a sequence encoding the Dof DNA-binding d  ...[more]

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