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Comparative genomics analysis reveals genetic characteristics and nitrogen fixation profile of . | LitMetric

Comparative genomics analysis reveals genetic characteristics and nitrogen fixation profile of .

iScience

Key Laboratory of Molecular Biophysics of the Ministry of Education, Hubei Key Laboratory of Bioinformatics and Molecular-imaging, Department of Bioinformatics and Systems Biology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China.

Published: February 2024

AI Article Synopsis

Article Abstract

is a genus of nitrogen-fixing bacteria, with some species producing nodules in leguminous plants. Investigations into have recently revealed its substantial genetic resources and agricultural benefits, but a comprehensive survey of its genetic diversity and functional properties is lacking. Using a panel of various strains (N = 278), this study performed a comparative genomics analysis to anticipate genes linked with symbiotic nitrogen fixation. 's pan-genome consisted of 84,078 gene families, containing 824 core genes and 42,409 accessory genes. Core genes were mainly involved in crucial cell processes, while accessory genes served diverse functions, including nitrogen fixation and nodulation. Three distinct genetic profiles were identified based on the presence/absence of gene clusters related to nodulation, nitrogen fixation, and secretion systems. Most strains from soil and non-leguminous plants lacked major / genes and were evolutionarily more closely related. These findings shed light on 's genetic features for symbiotic nitrogen fixation.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10845061PMC
http://dx.doi.org/10.1016/j.isci.2024.108948DOI Listing

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