家蚕绿色a，Ga在27号染色体上的精细定位。

IF 1 4区生物学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY

Genes & genetic systems Pub Date : 2023-11-21 Epub Date: 2023-10-06 DOI:10.1266/ggs.23-00060

Keisuke Mase, Chikara Hirayama, Junko Narukawa, Seigo Kuwazaki, Kimiko Yamamoto

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引用次数: 0

摘要

有些品种的蚕结出不同强度的绿色茧。这是由于类黄酮色素在数量和质量上的差异，这些差异受到环境和遗传背景的影响。我们发现淡绿色茧的出现是由位于27号染色体上的一个基因（G27）调控的。通过交配实验，我们发现G27与一个必需的类黄酮茧基因Ga相同。该基因座以前没有描述过。此外，我们使用分子标记将Ga区域缩小到438kbp。在这个区域内，几个预测的糖转运蛋白基因形成了一个簇结构，表明Ga就是其中之一。

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Fine mapping of Green a, Ga, on chromosome 27 in Bombyx mori.

Some strains of silkworms produce green cocoons of varying intensities. This results from quantitative and qualitative differences in flavonoid pigments, which are influenced by the environment and genetic background. We discovered that the appearance of a faint green cocoon is regulated by a gene (G27) located on chromosome 27. Through mating experiments, we found that G27 is identical to an essential flavonoid cocoon gene, Ga. This locus has not been previously described. Furthermore, we narrowed down the Ga region to 438 kbp using molecular markers. Within this region, several predicted genes for sugar transporters form a cluster structure, suggesting that Ga is among them.

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来源期刊

Genes & genetic systems 生物-生化与分子生物学

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Genes & Genetic Systems , formerly the Japanese Journal of Genetics , is published bimonthly by the Genetics Society of Japan.