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Updated: Feb 12, 2026

Hybrid De Novo Genome Assembly for the Generation of Complete Genomes of Urinary Bacteria using Short- and Long-read Sequencing Technologies
Published on: August 20, 2021
Complete genome sequence of Bacillus thuringiensis L-7601, a wild strain with high production of melanin
Zhang-Lei Cao1, Tong-Tong Tan1, Kun Jiang1
1Department of Microbiology, College of Life Sciences, Nankai University, Tianjin 300071, China.
Abstract:
Bacillus thuringiensis L-7601 (B. thuringiensis L-7601), belonging to Bacillus thuringiensis subsp. dendrolimus serotype H4a4b, is a wild-type strain which has the ability to produce melanin during the exponential phase of growth. The melanin produced is an excellent UV protective agent for the crystal insecticidal proteins. Here, we report the complete genome of B. thuringiensis L-7601 including one 5,790,408 bp chromosome and three plasmids. 6,519 CDSs and 150 RNA genes, including 106 tRNA genes, 39 rRNA genes and 5 ncRNA genes, were identified from the whole genome. In addition, our results indicated that homogentisic acid pathway is the melanogenic pathway in B. thuringiensis and accumulation of melanin is the consequence of hmgA frameshift mutant.
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