Huang X, Wei X, Sang T, Zhao Q, Feng Q, Zhao Y, Li C, Zhu C, Lu T, Zhang Z, Li M, Fan D, Guo Y, Wang A, Wang L, Deng L, Li W, Lu Y, Weng Q, Liu K, Huang T, Zhou T, Jing Y, Li W, Lin Z, Buckler ES, Qian Q, Zhang QF, Li J, Han B (2010) Genome-wide association studies of 14 agronomic traits in rice landraces. Han F, Ullrich S, Romagosa I, Clancy JA, Froseth JA, Wesenberg DM (2003) Quantitative genetic analysis of acid detergent fibre content in barley grain. Bioinformatics 23(19):2633–2635Ĭasa AM, Pressoir G, Brown PJ, Mitchell SE, Rooney WL, Tuinstra MR, Franks CD, Kresovich S (2008) Community resources and strategies for association mapping in sorghum. īradbury PJ, Zhang Z, Kroon DE, Casstevens TM, Ramdoss Y, Buckler ES (2007) TASSEL: software for association mapping of complex traits in diverse samples. Physiol Mol Plant Pathol 65(2):101–113īouchet S, Pot D, Deu M, Rami JF, Billot C, Perrier X, Rivallan R, Gardes L, Xia L, Wenzl P, Kilian A, Glaszmann JC (2012) Genetic structure, linkage disequilibrium and signature of selection in Sorghum: lessons from physically anchored DarT markers. The findings will accelerate the study of genetic gain of acid detergent fiber content and help breeders to improve feed quality and stress tolerance of forage sorghum.īoddu J, Svabek C, Sekhon R, Gevens A, Nicholson RL, Jones AD, Pedersen JF, Gustine DL, Chopra S (2004) Expression of a putative flavonoid 3’-hydroxylase in sorghum mesocotyls synthesizing 3-deoxyanthocyanidin phytoalexins. The findings provide a basis for us to understand the origin and spread of haplotypes related to acid detergent fiber content. These genes were significantly enriched into 6 major genes involved in cell membrane material transport or enzymes, showing a regional distribution. GWAS revealed that 8 QTLs harboring 91 genes were found to be associated with acid detergent fiber content. These findings provide new clues and directions for further study. Genetic relationship between materials showed that Asian and American sorghum varieties, breeding lines and improved varieties were more diverse, while European varieties were relatively more closely related. Based on SNP markers, we analyzed the population genetic structure and identified the gene loci related to acid detergent fiber content by genome-wide association analysis (GWAS). In order to further understand its genetic mechanism, we re-sequenced 206 forage sorghum germplasms from different regions of the world and identified 14,570,430 SNPs and 1,967,033 indels. It has a very important impact on the milk yield and quality of cows, dairy sheep and pigs. Acid detergent fiber is widely found in the stem and leaf tissues of plant, which is the main substance affecting the digestibility of livestock. Forage sorghum ( Sorghum bicolor (L.) Moench) is a C4 cereal crop with excellent quality, which is widely cultivated in many countries and regions.
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