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一个常见的八氢番茄红素合酶突变是造成加利福尼亚罂粟的白色花瓣品种的原因。

A common phytoene synthase mutation underlies white petal varieties of the California poppy.

机构信息

Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.

出版信息

Sci Rep. 2019 Aug 12;9(1):11615. doi: 10.1038/s41598-019-48122-3.

DOI:10.1038/s41598-019-48122-3
PMID:31406151
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6690985/
Abstract

The California poppy (Eschscholzia californica) is renowned for its brilliant golden-orange flowers, though white petal variants have been described. By whole-transcriptome sequencing, we have discovered in multiple white petal varieties a single deletion leading to altered splicing and C-terminal truncation of phytoene synthase (PSY), a key enzyme in carotenoid biosynthesis. Our findings underscore the diverse roles of phytoene synthase in shaping horticultural traits, and resolve a longstanding mystery of the regaled golden poppy.

摘要

加利福尼亚罂粟（Eschscholzia californica）以其绚丽的金橙色花朵而闻名，尽管也有描述过白色花瓣的变种。通过全转录组测序，我们在多个白色花瓣品种中发现了一个单一的缺失，导致类胡萝卜素生物合成的关键酶——八氢番茄红素合酶（PSY）的剪接和 C 端截断发生改变。我们的研究结果强调了八氢番茄红素合酶在塑造园艺性状方面的多种作用，并解决了广受赞誉的金色罂粟的一个长期谜团。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/3ed972ad5df7/41598_2019_48122_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/42f837d6844a/41598_2019_48122_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/ff9596ab60b5/41598_2019_48122_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/707c4a75993c/41598_2019_48122_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/0c680d7233b0/41598_2019_48122_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/3ed972ad5df7/41598_2019_48122_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/42f837d6844a/41598_2019_48122_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/ff9596ab60b5/41598_2019_48122_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/707c4a75993c/41598_2019_48122_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/0c680d7233b0/41598_2019_48122_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6b12/6690985/3ed972ad5df7/41598_2019_48122_Fig5_HTML.jpg

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