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在 和 中全基因组鉴定 MADS-Box 基因：与天然橡胶产量形成有关的进化机制、保守功能和新功能。

Genome-Wide Identification of MADS-Box Genes in and : Evolutionary Mechanisms, Conserved Functions and New Functions Related to Natural Rubber Yield Formation.

机构信息

Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China.

Institute of Tropical Crops, Hainan University, Haikou 570228, China.

出版信息

Int J Mol Sci. 2023 Jul 1;24(13):10997. doi: 10.3390/ijms241310997.

DOI:10.3390/ijms241310997
PMID:37446175
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10341699/
Abstract

MADS-box transcription regulators play important roles in plant growth and development. However, very few MADS-box genes have been isolated in the genus , which consists of more than 3000 species. To explore their functions in the promising natural rubber (NR)-producing plant (TKS), MADS-box genes were identified in the genome of TKS and the related species (TM; non-NR-producing) via genome-wide screening. In total, 66 and 59 were identified in the TKS and TM genomes, respectively. From diploid TKS to triploid TM, the total number of MADS-box genes did not increase, but expansion occurred in specific subfamilies. Between the two genomes, a total of 11 duplications, which promoted the expansion of MADS-box genes, were identified in the two species. and were highly conserved, and showed good collinearity. Furthermore, most genes exhibiting tissue-specific expression patterns, especially genes associated with the ABCDE model, were preferentially expressed in the flowers, suggesting their conserved and dominant functions in flower development in TKS. Moreover, by comparing the transcriptomes of different TKS lines, we identified 25 related to biomass formation and 4 related to NR content, which represented new targets for improving the NR yield of TKS.

摘要

MADS 框转录因子在植物生长发育中发挥着重要作用。然而，在由 3000 多种植物组成的属中，仅有极少数 MADS 框基因被分离出来。为了探索它们在有前途的天然橡胶（NR）生产植物（TKS）中的功能，通过全基因组筛选，从 TKS 及其相关物种（TM；不产 NR）的基因组中鉴定出 MADS 框基因。在 TKS 和 TM 基因组中分别鉴定出 66 个和 59 个。从二倍体 TKS 到三倍体 TM，MADS 框基因的总数没有增加，但特定亚家族发生了扩张。在这两个基因组之间，共鉴定出 11 个促进 MADS 框基因扩张的复制，这在两个物种中发生。 和 高度保守，表现出良好的共线性。此外，大多数表现出组织特异性表达模式的 基因，特别是与 ABCDE 模型相关的基因，在花中优先表达，这表明它们在 TKS 花发育中的保守和主导功能。此外，通过比较不同 TKS 系的转录组，我们鉴定出了 25 个与生物量形成有关的 基因和 4 个与 NR 含量有关的 基因，它们代表了提高 TKS NR 产量的新目标。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/2b01ac3f0616/ijms-24-10997-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/00b67f4cd1e3/ijms-24-10997-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/53632d9ae511/ijms-24-10997-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/061947fc4f11/ijms-24-10997-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/173ca33378a7/ijms-24-10997-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/9d16c74815e5/ijms-24-10997-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/227b10aea221/ijms-24-10997-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/2b01ac3f0616/ijms-24-10997-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/00b67f4cd1e3/ijms-24-10997-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/53632d9ae511/ijms-24-10997-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/6dafb2bfbac2/ijms-24-10997-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/1ad890f1c117/ijms-24-10997-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/061947fc4f11/ijms-24-10997-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/173ca33378a7/ijms-24-10997-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/9d16c74815e5/ijms-24-10997-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/227b10aea221/ijms-24-10997-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b9f7/10341699/2b01ac3f0616/ijms-24-10997-g009.jpg

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