Genetic Dissection of Quantitative Trait Loci for Panicle Traits and Heat Tolerance by High-Density Bin Map in Rice

doi:10.1016/j.rsci.2022.07.008

Abstract

Liu Hongyan, Ma Xiaosong, Li Enxi, Zeng Xianjun, Luo Lijun. Genetic Dissection of Quantitative Trait Loci for Panicle Traits and Heat Tolerance by High-Density Bin Map in Rice[J]. Rice Science, 2022, 29(6): 507-511.

Figures/Tables 1

Fig. 1. QTLs detected for panicle traits and heat tolerance, and haplotype analysis and marker validation for candidate gene OsHSP70.1. A, QTLs detected for panicle traits and heat tolerance. B, Insertion/deletion (InDel) and amino acid variations of OsHSP70.1 between Huhan 1B and Hanhui 3. The blue box indicates coding region, the white boxes indicate non-coding regions and the lines indicate introns. C, Haplotypes of OsHSP70.1 in rice. Numbers in parentheses indicate the number of rice accessions. D, RSSR of HH13 recombinant inbred lines in 2018 and 2019. E, RSSR of core collection population of Chinese rice germplasm in 2019. ‘+’ represents mean values in D and E. F, Schematic representation of polyacrylamide electrophoresis of InDel marker HSP70-12. The marker ladder was in the leftmost lane. HSP70-in, Allele of OsHSP70.1 in Hanhui 3 with 12 bp insertion; HSP70-de, Allele of OsHSP70.1 in Huhan 1B with 12 bp deletion. SN, Seed number per panicle; SNPP, Spikelet number per panicle; PL, Panicle length; SSR, Seed-setting rate under normal conditions; SSR_HT, Seed-setting rate under heat stress conditions; RSSR, Relative seed-setting rate.

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