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从墨西哥温泉中分离出的GMA1的带注释基因组草图数据揭示了其木聚糖分解潜力。

Annotated draft genome data of GMA1 isolated from hot springs in Mexico reveals its xylanolytic potential.

作者信息

Cayetano-Cruz Maribel, Rivera-Orduña Flor Nohemí, Bustos-Jaimes Ismael

机构信息

Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico.

Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 07738, Mexico.

出版信息

Data Brief. 2025 Aug 6;62:111963. doi: 10.1016/j.dib.2025.111963. eCollection 2025 Oct.

Abstract

species are excellent industrial organisms due to their high growth rate and capacity to secrete enzymes into the culture medium. The group is one of the most widely studied groups and a potential source of industrial enzymes, and includes among others. GMA1 was isolated from hot springs at Los Azufres, Michoacán, Mexico. Microscopical observations revealed that it is a Gram-positive, spore-forming, rod-shaped bacterium. GMA1 has shown protease, lipase, cyanide dihydratase, and xylanase activities. Whole-genome sequencing was performed on the NovaSeq 6000 Illumina platform using a 250-bp paired-end protocol. The genome of GMA1 consists of 36 contigs, with a GC content of 41.58%. A total of 3.7 Mbp (3,736,651 bp) of genomic size was generated. Genome annotation resulted in the prediction of 3842 genes, comprising 3732 coding sequences (CDS), 74 tRNA genes, and 31 rRNA genes. This work reports sequencing, assembly, and annotation of the GMA1 genome, highlighting the potential of this strain as a source of xylanolytic enzymes. The required enzymes for degrading xylan were identified through genome analysis. Enzymes as 1,4-beta-xylosidase (EC 3.2.1.37), endo-1,4-beta-xylanase (EC 3.2.1.8), acetylxylan esterase (EC 3.1.1.72), arabinoxylan arabinofuranohydrolase (EC 3.2.1.55), and glucuronoarabinoxylan endo-1,4-beta-xylanase (EC 3.2.1.136) were found.

摘要

由于其高生长速率以及向培养基中分泌酶的能力,该物种是优良的工业微生物。该菌群是研究最为广泛的菌群之一,也是工业酶的潜在来源,其中包括……GMA1是从墨西哥米却肯州洛斯阿苏弗雷斯的温泉中分离出来的。显微镜观察表明,它是一种革兰氏阳性、形成芽孢的杆状细菌。GMA1已显示出蛋白酶、脂肪酶、氰化物二水合酶和木聚糖酶活性。使用250 bp双端测序方案在Illumina NovaSeq 6000平台上进行了全基因组测序。GMA1的基因组由36个重叠群组成,GC含量为41.58%。共生成了3.7 Mbp(3,736,651 bp)的基因组大小。基因组注释预测有3842个基因,包括3732个编码序列(CDS)、74个tRNA基因和31个rRNA基因。这项工作报告了GMA1基因组的测序、组装和注释,突出了该菌株作为木聚糖分解酶来源的潜力。通过基因组分析确定了降解木聚糖所需的酶。发现了如1,4-β-木糖苷酶(EC 3.2.1.37)、内切-1,4-β-木聚糖酶(EC 3.2.1.8)、乙酰木聚糖酯酶(EC 3.1.1.72)、阿拉伯木聚糖阿拉伯呋喃水解酶(EC 3.2.1.55)和葡糖醛酸阿拉伯木聚糖内切-1,4-β-木聚糖酶(EC 3.2.亦作1.136)等酶。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9fc3/12361619/3fbabaa69424/gr1.jpg

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