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Characterization of the complete chloroplast genome of Dalbergia congesta (Fabaceae), an endangered legume endemic to the Nilgiri Hills of Tamil Nadu, India

First Author: Rather, SA
Abstract: Reference-guided de novo assembly of the Dalbergia congesta chloroplast genome was carried out using whole-genome sequencing data. The newly generated chloroplast genome size had a total length of 156,048 bp and a GC content of 36.1%. The plastome showed the classical quadripartite structure with two inverted repeats regions (IRs; each 25,715 bp) separating the large single-copy region (LSC; 85,456 bp) from the small single-copy region (SSC; 19,162 bp). The plastid genome contained 111 unique genes, including 77 protein-coding genes (CDS), 30 tRNAs, and 4 rRNAs. The phylogenomic analyses based on whole chloroplast genome sequences recovered Dalbergia as a distinct clade of the Papilionoideae, with Dalbergia congesta having a sister relationship to a clade comprising D. fusca and D. cultrata. The newly available plastome sequence will facilitate future genetic and conservational research aiming to protect this economically important but highly threatened legume species.
Contact the author: Liu, HM
Page Number:
Issue: 2
Subject: Genetics & Heredity
Impact Factor: 2.9
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PubYear: 2023
Volume: 23
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