scholarly journals Development of backcross recombinant inbred lines between Oryza sativa Nipponbare and O. rufipogon and QTL detection on drought tolerance

2011 ◽  
Vol 61 (1) ◽  
pp. 76-79 ◽  
Author(s):  
Pham Thien Thanh ◽  
Phuong Dang Thai Phan ◽  
Naoki Mori ◽  
Ryo Ishikawa ◽  
Takashige Ishii
Keyword(s):  
Oryza Sativa ◽  
Drought Tolerance ◽  
Recombinant Inbred ◽  
Recombinant Inbred Lines ◽  
Inbred Lines ◽  
Qtl Detection ◽  
Backcross Recombinant Inbred Lines

scholarly journals Response of Iranian Rice Recombinant Inbred Lines (Oryza sativa L.) to Salt Stress in Seedling Stage

2019 ◽  
Vol 11 (29) ◽  
pp. 65-84
Author(s):  
Seyedeh Minoo Mirarab Razi ◽  
Reza Shirzadian-Khorramabad ◽  
Hossein Sabouri ◽  
Babak Rabiei ◽  
Hossein Hosseini Moghadam ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Salt Stress ◽  
Recombinant Inbred ◽  
Oryza Sativa L ◽  
Recombinant Inbred Lines ◽  
Inbred Lines ◽  
Seedling Stage

scholarly journals QTL analysis of novel genomic regions associated with yield and yield related traits in new plant type based recombinant inbred lines of rice (Oryza sativa L.)

2012 ◽  
Vol 12 (1) ◽  
pp. 137 ◽  
Author(s):  
Balram Marathi ◽  
Smriti Guleria ◽  
Trilochan Mohapatra ◽  
Rajender Parsad ◽  
Nagarajan Mariappan ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Qtl Analysis ◽  
Recombinant Inbred ◽  
Oryza Sativa L ◽  
Recombinant Inbred Lines ◽  
Inbred Lines ◽  
Plant Type ◽  
Genomic Regions

scholarly journals Mapping QTLs for Salt Tolerance in Rice (Oryza sativa L.) by Bulked Segregant Analysis of Recombinant Inbred Lines Using 50K SNP Chip

PLoS ONE ◽  
2016 ◽  
Vol 11 (4) ◽  
pp. e0153610 ◽  
Author(s):  
Sushma Tiwari ◽  
Krishnamurthy SL ◽  
Vinod Kumar ◽  
Balwant Singh ◽  
AR Rao ◽  
...  
Keyword(s):  
Oryza Sativa ◽  
Salt Tolerance ◽  
Recombinant Inbred ◽  
Oryza Sativa L ◽  
Bulked Segregant Analysis ◽  
Recombinant Inbred Lines ◽  
Inbred Lines ◽  
Snp Chip

scholarly journals Genome Sequence and QTL Analyses Using Backcross Recombinant Inbred Lines (BILs) and BILF1 Lines Uncover Multiple Heterosis-related Loci

2020 ◽  
Vol 21 (3) ◽  
pp. 780 ◽  
Author(s):  
Yahui Yu ◽  
Mengmeng Zhu ◽  
Yue Cui ◽  
Yu Liu ◽  
Zhenyu Li ◽  
...  
Keyword(s):  
Molecular Mechanism ◽  
Genome Sequence ◽  
Recombinant Inbred ◽  
Genetic Background ◽  
Recombinant Inbred Lines ◽  
Inbred Lines ◽  
Japonica Rice ◽  
Grain Number ◽  
Grain Number Per Panicle ◽  
Backcross Recombinant Inbred Lines

Heterosis is an interesting topic for both breeders and biologists due to its practical importance and scientific significance. Cultivated rice (Oryza sativa L.) consists of two subspecies, indica and japonica, and hybrid rice is the predominant form of indica rice in China. However, the molecular mechanism underlying heterosis in japonica remains unclear. The present study determined the genome sequence and conducted quantitative trait locus (QTL) analysis using backcross recombinant inbred lines (BILs) and BILF1 lines to uncover the heterosis-related loci for rice yield increase under a japonica genetic background. The BIL population was derived from an admixture variety Habataki and japonica variety Sasanishiki cross to improve the genetic diversity but maintain the genetic background close to japonica. The results showed that heterosis in F1 mainly involved grain number per panicle. The BILF1s showed an increase in grain number per panicle but a decrease in plant height compared with the BILs. Genetic analysis then identified eight QTLs for heterosis in the BILF1s; four QTLs were detected exclusively in the BILF1 population only, presenting a mode of dominance or super-dominance in the heterozygotes. An additional four loci overlapped with QTLs detected in the BIL population, and we found that Grains Height Date 7 (Ghd7) was correlated in days to heading in both BILs and BILF1s. The admixture genetic background of Habataki was also determined by subspecies-specific single nucleotide polymorphisms (SNPs). This investigation highlights the importance of high-throughput sequencing to elucidate the molecular mechanism of heterosis and provides useful germplasms for the application of heterosis in japonica rice production.

Sign in / Sign up

Export Citation Format

Share Document