IB-CAS  > 中科院北方资源植物重点实验室
Wall-associated kinase-like gene RL1 contributes to red leaves in sorghum
Lv, Ya1; Chen, Jun1,2; Zhu, Mengjiao1,2; Liu, Yishan1; Wu, Xiaoyuan3; Xiao, Xin1; Yuyama, Nana4; Liu, Fengxia1; Jing, Haichun3; Cai, Hongwei1,2,4
2022
Source PublicationPLANT JOURNAL
ISSN0960-7412
Volume112Issue:1Pages:135-150
AbstractRed leaves are common in trees but rare in cereal crops. Red leaves can be used as raw materials for anthocyanin extraction and may have some adaptive significance for plants. In this study, we discovered a red leaf phenotype in the F-1 hybrids derived from a cross between two sorghum accessions with green leaf. Histological analysis of red leaves and green leaves showed that red compounds accumulate in mesophyll cells and gradually spreads to the entire leaf blade. In addition, we found chloroplasts degraded more quickly in red leaves than in green leaves based on transmission electron microscopy. Metabolic analysis revealed that flavonoids including six anthocyanins are more abundant in red leaves. Moreover, transcriptome analysis revealed that expression of flavonoid biosynthesis genes was upregulated in red leaves. These observations indicate that flavonoids and anthocyanins in particular, are ideal candidates for the red compounds accumulating in red leaves. Segregation analysis of the red leaf phenotype suggested a genetic architecture consisting of three dominant genes, one (RL1 for RED LEAF1) of which we mapped to a 55-kb region on chromosome 7 containing seven genes. Sequencing, reverse transcription-polymerase chain reaction, and transcriptome analysis suggested Sobic.007G214300, encoding a wall-associated kinase, as the most likely candidate for RL1. Fine mapping the red leaf gene and identifying the metabolites that cause red leaf in sorghum provide us with a better understanding of the red leaf phenotype in the natural population of sorghum.
Keywordanthocyanin flavonoid red leaf RL1 gene sorghum wall-associated kinase
Subject AreaPlant Sciences
DOI10.1111/tpj.15936
Indexed BySCI
Language英语
WOS KeywordYOUNG LEAVES ; AUTUMN COLORS ; ANTHOCYANINS ; BIOSYNTHESIS ; EXPRESSION ; RESISTANCE ; PROTEINS ; PIGMENTS ; PATHWAY ; MARKERS
WOS Research AreaScience Citation Index Expanded (SCI-EXPANDED)
WOS IDWOS:000846459700001
PublisherWILEY
SubtypeArticle
Publication PlaceHOBOKEN
EISSN1365-313X
Funding OrganizationNational Key R&D Program of China [2019YFD1002701] ; Chinese Academy of Science [151111KYSB20180049]
Corresponding Author Emailchenj@cau.edu.cn ; hcjing@ibcas.ac.cn ; caihw@cau.edu.cn
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/28497
Collection中科院北方资源植物重点实验室
Affiliation1.China Agr Univ, Dept Plant Genet Breeding & Seed Sci, Beijing 100193, Peoples R China
2.MOE, Lab Crop Heterosis & Utilizat, Beijing Key Lab Crop Genet Improvement, Beijing 100193, Peoples R China
3.China Agr Univ, Coll Grassland Sci & Technol, 2 Yuanmingyuan West Rd, Beijing 100193, Peoples R China
4.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
5.Japan Grassland Agr & Forage Seed Assoc, Forage Crop Res Inst, 388-5 Higashiakada, Nasushiobara, Tochigi 3292742, Japan
Recommended Citation
GB/T 7714
Lv, Ya,Chen, Jun,Zhu, Mengjiao,et al. Wall-associated kinase-like gene RL1 contributes to red leaves in sorghum[J]. PLANT JOURNAL,2022,112(1):135-150.
APA Lv, Ya.,Chen, Jun.,Zhu, Mengjiao.,Liu, Yishan.,Wu, Xiaoyuan.,...&Cai, Hongwei.(2022).Wall-associated kinase-like gene RL1 contributes to red leaves in sorghum.PLANT JOURNAL,112(1),135-150.
MLA Lv, Ya,et al."Wall-associated kinase-like gene RL1 contributes to red leaves in sorghum".PLANT JOURNAL 112.1(2022):135-150.
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