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

Yu, Zhu, Cui, Liu, Li, Jiang, Xu, Xu, Sui
2020 International Journal of Molecular Sciences  
for rice yield increase under a japonica genetic background.  ...  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  ...  A mega sequence project for 10,0742 F 2 lines revealed the genomic architecture of heterosis for yield traits in rice using the cross combination of Oryza sativa subspecies (ssp.) indica-indica (three-line  ... 
doi:10.3390/ijms21030780 pmid:31991733 pmcid:PMC7038202 fatcat:paolw3bdsjgonojrdnmgf7uuvy

Breeding strategies for increasing yield potential in super hybrid rice

Shihua CHENG, Xiaodeng ZHAN, Liyong CAO
2015 Frontiers of Agricultural Science and Engineering  
This paper reviews the breeding strategies of super hybrid rice breeding in China, focusing on the utilization of heterosis of indica and japonica subspecies, construction of ideal plant architecture and  ...  pyramiding of disease resistant genes in restorer lines.  ...  This article is a review and does not contain any studies with human or animal subjects performed by any of the authors.  ... 
doi:10.15302/j-fase-2015081 fatcat:7mn6g4wxbzfmna57ikdvmmwgtm

Molecular basis of heterosis and related breeding strategies reveal its importance in vegetable breeding

Daoliang Yu, Xingfang Gu, Shengping Zhang, Shaoyun Dong, Han Miao, Kiros Gebretsadik, Kailiang Bo
2021 Horticulture Research  
We also discuss the contributions of yield-related traits, including flower, fruit, and plant architecture traits, during heterosis development in vegetables (e.g., cabbage, cucumber, and tomato).  ...  In recent years, due to advances in molecular biotechnology at the genome, transcriptome, proteome, and epigenome levels, the study of heterosis in vegetables has made significant progress.  ...  Using a genetic map that covered the whole rice (Oryza sativa) genome, QTL mapping for yield-related traits was conducted in 250 F 2:3 lines.  ... 
doi:10.1038/s41438-021-00552-9 pmid:34059656 fatcat:wt3dc6zafzg4niidx367fyl5xa

Breeding by design for future rice: Genes and genome technologies

Jianlong Xu, Yongzhong Xing, Yunbi Xu, Jianmin Wan
2021 Crop Journal  
Acknowledgments We thank the authors for their contributions and reviewers as well as editors for their scientific reviewing and diligent work for the special issue.  ...  [63] review recent applications of CRISPR/Cas technologies in improvement of rice traits, including grain yield and quality and resistance to herbicide, disease, and pests, and in exploiting heterosis  ...  It is desirable to tune these invisible physiological traits for further improvement of rice yield by MAS, transgenic approaches, and genome editing. Li et al.  ... 
doi:10.1016/j.cj.2021.05.001 fatcat:5ldg2hchkvdkngeclfsno6zz2u

Genome‐wide identification and analysis of heterotic loci in three maize hybrids

Hongjun Liu, Qin Wang, Mengjiao Chen, Yahui Ding, Xuerong Yang, Jie Liu, Xiaohan Li, Congcong Zhou, Qilin Tian, Yiqi Lu, Danlin Fan, Junpeng Shi (+14 others)
2019 Plant Biotechnology Journal  
These results provide a community resource for genetics studies in maize and new implications for heterosis in plants.  ...  and nearly equal proportion of advantageous alleles from both parental lines, are the major causes of strong heterosis in these hybrids.  ...  Due to the complex maize genome and the complex genetic architecture of heterosis traits, genome-wide high-resolution identification of heterotic loci and comprehensive evaluation of their genetic effects  ... 
doi:10.1111/pbi.13186 pmid:31199059 pmcid:PMC6920156 fatcat:4zmpiyrdvretzlilg7fzh2nkr4

Rice Genomics: Over the Past Two Decades and Into the Future

Shuhui Song, Dongmei Tian, Zhang Zhang, Songnian Hu, Jun Yu
2019 Genomics, Proteomics & Bioinformatics  
Along with various high-throughput genome sequencing projects, rice genomics has been making great headway toward direct field applications of basic research advances in understanding the molecular mechanisms  ...  of agronomical traits and utilizing diverse germplasm resources.  ...  Acknowledgments The authors acknowledge support from the Youth Innovation Promotion Association of the Chinese Academy of Sciences,  ... 
doi:10.1016/j.gpb.2019.01.001 pmid:30771506 pmcid:PMC6411948 fatcat:s2wn6y633veuhfmeyubugc222i

Small RNAs as important regulators for the hybrid vigour of super-hybrid rice

Lei Zhang, Yonggang Peng, Xiaoli Wei, Yan Dai, Dawei Yuan, Yufei Lu, Yangyang Pan, Zhen Zhu
2014 Journal of Experimental Botany  
Overall, 20.8% of DES and their target genes were significantly enriched in quantitative trait loci of small intervals related to important rice agronomic traits including growth vigour, grain yield, and  ...  Heterosis is an important biological phenomenon; however, the role of small RNA (sRNA) in heterosis of hybrid rice remains poorly described.  ...  Acknowledgments We thank Dr Guisheng Song for thoughtful suggestions and comments on the manuscript, Professor Xiujie Wang and Dr Huajun Wu for helpful advice in the use of psRobot software and data analysis  ... 
doi:10.1093/jxb/eru337 pmid:25129133 pmcid:PMC4203131 fatcat:hfvjidyoorgnrdcykkpyimvolq

Genome-wide dissection of heterosis for yield traits in two-line hybrid rice populations

Gang Zhen, Peng Qin, Kai Yu Liu, Dong Yang Nie, Yuan Zhu Yang, Xing Wang Deng, Hang He
2017 Scientific Reports  
In this population, increased panicle number played the most important role in yield heterosis of hybrid rice.  ...  Genome-wide association studies identified many QTLs related to the yield traits of F1 hybrids, better paternal heterosis and special combining ability.  ...  Acknowledgements We thank Zhen Huang and Xingxue Fu from the Ava Seed Academy of Sciences, Changsha, China, for their kind help with field phenotype evaluations.  ... 
doi:10.1038/s41598-017-06742-7 pmid:28794433 pmcid:PMC5550440 fatcat:a4jo4zxi5zfydnsjhpm5uvsyqe

Genomic architecture of biomass heterosis inArabidopsis

Mei Yang, Xuncheng Wang, Diqiu Ren, Hao Huang, Miqi Xu, Guangming He, Xing Wang Deng
2017 Proceedings of the National Academy of Sciences of the United States of America  
The mapping of heterosis quantitative trait loci (QTL) for yield in rice hybrids has recently been reported (22) .  ...  traits (31) , which demonstrated the feasibility of GWAS to dissect the genetic architecture of heterosis in Arabidopsis.  ... 
doi:10.1073/pnas.1705423114 pmid:28696287 pmcid:PMC5544317 fatcat:2vmgnzxcejaldhwhbonl4qhhhe

Genomic analysis of hybrid rice varieties reveals numerous superior alleles that contribute to heterosis

Xuehui Huang, Shihua Yang, Junyi Gong, Yan Zhao, Qi Feng, Hao Gong, Wenjun Li, Qilin Zhan, Benyi Cheng, Junhui Xia, Neng Chen, Zhongna Hao (+12 others)
2015 Nature Communications  
Here we develop an integrated genomic approach to construct a genome map for 1,495 elite hybrid rice varieties and their inbred parental lines.  ...  Exploitation of heterosis is one of the most important applications of genetics in agriculture.  ...  This research provides new insights into the principles of hybrid vigour and has implications for rice breeding. Results Genomic architecture and heterozygosity of rice hybrids.  ... 
doi:10.1038/ncomms7258 pmid:25651972 pmcid:PMC4327311 fatcat:a2xx5m6g3faepf7q7lmxgswrf4

Page 509 of Genetics Vol. 178, Issue 1 [page]

2008 Genetics  
Zu et al., 2007 Haplotype variation in structure and expression of a gene cluster associated with a quantitative trait locus for improved yield in rice. Genome Res. 16: 618-626. HOLLAND, J.  ...  ., 2007 Analysis of a triple testcross design with recombinant in- bred lines reveals a significant role of epistasis in heterosis for biomass-related traits in Arabidopsis. Genetics 175: 2009-2017.  ... 

ADVANCED GENETIC STRATEGIES FOR IMPROVING RICE YIELD

Adil Altaf, Sadia Gull, Amir Zaman Shah, Muhammad Faheem, Aamir Saeed, Imran Khan, Min Zhu
2021 Journal of Global Innovations in Agricultural Sciences  
Conventional hybridization, ideotype and heterosis breeding, broad hybridization, genetic engineering, molecular marker-assisted breeding, and CRISPR-Cas9 are all possibilities for increasing yield potential  ...  Almost all rice breeding initiatives aim to increase grain yield. However, the value of this crop varies by area, country, and even within a country.  ...  Acknowledgments: The authors wish to acknowledge College of Agriculture, Yangzhou University, Yangzhou, Jiangsu-225009, China .  ... 
doi:10.22194/jgias/9.9520 fatcat:qvnz7sg4dbftbmlfmpaippfe4y

Yield-Enhancing Heterotic QTL Transferred from Wild Species to Cultivated Rice Oryza sativa L

Kiran B. Gaikwad, Naveen Singh, Dharminder Bhatia, Rupinder Kaur, Navtej S. Bains, Tajinder S. Bharaj, Kuldeep Singh, Jauhar Ali
2014 PLoS ONE  
In rice we have generated more than 2000 lines having introgression from 'A' genome-donor wild species of rice in the genetic background of popular varieties PR114 and Pusa44 were developed.  ...  over parental introgression line, recurrent parents and check hybrids for grain yield-related traits.  ...  genomic regions for yield component traits, as also observed in this study.  ... 
doi:10.1371/journal.pone.0096939 pmid:24949743 pmcid:PMC4064972 fatcat:wsywub73mrcfzicme2ltzokkcu

Genomic Prediction of Yield Traits in Single-Cross Hybrid Rice (Oryza sativa L.)

Marlee R. Labroo, Jauhar Ali, M. Umair Aslam, Erik Jon de Asis, Madonna A. dela Paz, M. Anna Sevilla, Alexander E. Lipka, Anthony J. Studer, Jessica E. Rutkoski
2021 Frontiers in Genetics  
yield-related traits.  ...  For yield per plant, accuracies of genomic predictions of hybrid genetic values ranged from 0.490 to 0.822 in cross-validation if neither parent or up to both parents were included in the training set,  ...  ACKNOWLEDGMENTS We thank the IRRI hybrid rice breeding team, past and present, for their contributions to the study.  ... 
doi:10.3389/fgene.2021.692870 fatcat:vntindifdnas3adn4hcz2enkvq

Gene body silencing parental alleles for vigorous hybrid rice

Sophia Zebell
2021 Plant Physiology  
of these methylation marks with repetitive sequence and transposable element silencing in the rice genome.  ...  traits, such as a regulator of plant architecture and flowering time and a Xanthomonas oryzae resistance gene (Sun et al., 2004; Lu et al., 2012, 15) .  ... 
doi:10.1093/plphys/kiab136 pmid:33787925 pmcid:PMC8195539 fatcat:uo2s5udb3fbtbo5sp5gw6lhsr4
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