Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)

The common walnut (or Persian walnut), <i>Juglans regia</i> L., is an economically important temperate tree species valued for both its edible nut and high-quality wood. <i>F-box</i> gene family members are involved in plant development, which includes regulating plant develo...

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Main Authors: Feng Yan, Huijuan Zhou, Ming Yue, Ge Yang, Huaizhu Li, Shuoxin Zhang, Peng Zhao
Format: Article
Language:English
Published: MDPI AG 2019-03-01
Series:Forests
Subjects:
Online Access:https://www.mdpi.com/1999-4907/10/3/275
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author Feng Yan
Huijuan Zhou
Ming Yue
Ge Yang
Huaizhu Li
Shuoxin Zhang
Peng Zhao
author_facet Feng Yan
Huijuan Zhou
Ming Yue
Ge Yang
Huaizhu Li
Shuoxin Zhang
Peng Zhao
author_sort Feng Yan
collection DOAJ
description The common walnut (or Persian walnut), <i>Juglans regia</i> L., is an economically important temperate tree species valued for both its edible nut and high-quality wood. <i>F-box</i> gene family members are involved in plant development, which includes regulating plant development, reproduction, cellular protein degradation, response to biotic and abiotic stresses, and flowering. However, in common walnut (<i>J. regia</i>), there are no reports about the <i>F-box</i> gene family. Here, we report a genome-wide identification of <i>J. regia</i> <i>F-box</i> genes and analyze their phylogeny, duplication, microRNA, pathway, and transcriptional expression profile. In this study, 74 <i>F-box</i> genes were identified and clustered into three groups based on phylogenetic analysis and eight subfamilies based on special domains in common walnut. These common walnut <i>F-box</i> genes are distributed on 31 different pseudo-chromosomes. The gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and microRNA profiles showed that the <i>F-box</i> gene family might play a critical role in the flowering of common walnut. The expressions were significantly higher in female flowers and male flowers compared with leaf and hull tissues at a transcriptome level. The results revealed that the expressions of the <i>F-box</i> gene in female flowers were positively correlated with male flowers, but there was no correlation between any other tissue combinations in common walnut. Our results provided insight into the general characteristics of the <i>F-box</i> genes in common walnut.
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spelling doaj.art-19099a4971d44482b2a9bd56fd4ff2142022-12-22T03:16:10ZengMDPI AGForests1999-49072019-03-0110327510.3390/f10030275f10030275Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)Feng Yan0Huijuan Zhou1Ming Yue2Ge Yang3Huaizhu Li4Shuoxin Zhang5Peng Zhao6Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi’an 710069, ChinaCollege of Forestry, Northwest A&amp;F University, Yangling 712100, ChinaXi’an Botanical Garden of Shaanxi Province, Xi’an 710061, ChinaCollege of Biological Sciences and Engineering, Shaanxi University of Technology, Hanzhong 723001, ChinaSchool of Chemistry and Chemical Engineering, Xianyang Normal University, Xianyang 712000, ChinaCollege of Forestry, Northwest A&amp;F University, Yangling 712100, ChinaKey Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, College of Life Sciences, Northwest University, Xi’an 710069, ChinaThe common walnut (or Persian walnut), <i>Juglans regia</i> L., is an economically important temperate tree species valued for both its edible nut and high-quality wood. <i>F-box</i> gene family members are involved in plant development, which includes regulating plant development, reproduction, cellular protein degradation, response to biotic and abiotic stresses, and flowering. However, in common walnut (<i>J. regia</i>), there are no reports about the <i>F-box</i> gene family. Here, we report a genome-wide identification of <i>J. regia</i> <i>F-box</i> genes and analyze their phylogeny, duplication, microRNA, pathway, and transcriptional expression profile. In this study, 74 <i>F-box</i> genes were identified and clustered into three groups based on phylogenetic analysis and eight subfamilies based on special domains in common walnut. These common walnut <i>F-box</i> genes are distributed on 31 different pseudo-chromosomes. The gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and microRNA profiles showed that the <i>F-box</i> gene family might play a critical role in the flowering of common walnut. The expressions were significantly higher in female flowers and male flowers compared with leaf and hull tissues at a transcriptome level. The results revealed that the expressions of the <i>F-box</i> gene in female flowers were positively correlated with male flowers, but there was no correlation between any other tissue combinations in common walnut. Our results provided insight into the general characteristics of the <i>F-box</i> genes in common walnut.https://www.mdpi.com/1999-4907/10/3/275<i>Juglans regia</i><i>F-box</i> gene familytranscriptomemale flowerfemale flowerexpression profileflowering
spellingShingle Feng Yan
Huijuan Zhou
Ming Yue
Ge Yang
Huaizhu Li
Shuoxin Zhang
Peng Zhao
Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)
Forests
<i>Juglans regia</i>
<i>F-box</i> gene family
transcriptome
male flower
female flower
expression profile
flowering
title Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)
title_full Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)
title_fullStr Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)
title_full_unstemmed Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)
title_short Genome-Wide Identification and Transcriptional Expression Profiles of the <i>F-box</i> Gene Family in Common Walnut (<i>Juglans regia</i> L.)
title_sort genome wide identification and transcriptional expression profiles of the i f box i gene family in common walnut i juglans regia i l
topic <i>Juglans regia</i>
<i>F-box</i> gene family
transcriptome
male flower
female flower
expression profile
flowering
url https://www.mdpi.com/1999-4907/10/3/275
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