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Genes 2018, 9(10), 488; https://doi.org/10.3390/genes9100488

Unraveling the Roles of Regulatory Genes during Domestication of Cultivated Camellia: Evidence and Insights from Comparative and Evolutionary Genomics

1,2,3,†
,
1,2,†
,
1,2,4
,
1,2
,
1,2
,
1,2
,
1,2
,
1,2
and
1,2,*
1
State Key Laboratory of Tree Genetics and Breeding, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, Zhejiang, China
2
Key Laboratory of Forest Genetics and Breeding, Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, Zhejiang, China
3
Experimental Center for Subtropical Forestry, Chinese Academy of Forestry, Fenyi 336600, Jiangxi, China
4
College of Marine Sciences, Ningbo University, Ningbo 315211, Zhejiang, China
These authors have contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 26 August 2018 / Revised: 29 September 2018 / Accepted: 5 October 2018 / Published: 10 October 2018
(This article belongs to the Special Issue Genomics of Plant Domestication and Crop Evolution)
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Abstract

With the increasing power of DNA sequencing, the genomics-based approach is becoming a promising resolution to dissect the molecular mechanism of domestication of complex traits in trees. Genus Camellia possesses rich resources with a substantial value for producing beverage, ornaments, edible oil and more. Currently, a vast number of genetic and genomic research studies in Camellia plants have emerged and provided an unprecedented opportunity to expedite the molecular breeding program. In this paper, we summarize the recent advances of gene expression and genomic resources in Camellia species and focus on identifying genes related to key economic traits such as flower and fruit development and stress tolerances. We investigate the genetic alterations and genomic impacts under different selection programs in closely related species. We discuss future directions of integrating large-scale population and quantitative genetics and multiple omics to identify key candidates to accelerate the breeding process. We propose that future work of exploiting the genomic data can provide insights related to the targets of domestication during breeding and the evolution of natural trait adaptations in genus Camellia. View Full-Text
Keywords: domestication; genomics; Camellia; transcription factors; quantitative trait locus; genome-wide association study; fruit development domestication; genomics; Camellia; transcription factors; quantitative trait locus; genome-wide association study; fruit development
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Yan, C.; Lin, P.; Lyu, T.; Hu, Z.; Fan, Z.; Li, X.; Yao, X.; Li, J.; Yin, H. Unraveling the Roles of Regulatory Genes during Domestication of Cultivated Camellia: Evidence and Insights from Comparative and Evolutionary Genomics. Genes 2018, 9, 488.

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