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Front Plant Sci

Title:		Comparative Transcriptome Reveals Benzenoid Biosynthesis Regulation as Inducer of Floral Scent in the Woody Plant Prunus mume
Author(s):		Zhao K; Yang W; Zhou Y; Zhang J; Li Y; Ahmad S; Zhang Q;
Address:		"Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding, National Engineering Research Center for Floriculture, Beijing Laboratory of Urban and Rural Ecological Environment, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of Ministry of Education, School of Landscape Architecture, Beijing Forestry University Beijing, China"
Journal Title:		Front Plant Sci
Year:		2017
Volume:		20170310
Issue:
Page Number:		319 -
DOI:		10.3389/fpls.2017.00319
ISSN/ISBN:		1664-462X (Print) 1664-462X (Electronic) 1664-462X (Linking)
Abstract:		"Mei (Prunus mume) is a peculiar woody ornamental plant famous for its inviting fragrance in winter. However, in this valuable plant, the mechanism behind floral volatile development remains poorly defined. Therefore, to explore the floral scent formation, a comparative transcriptome was conducted in order to identify the global transcripts specifying flower buds and blooming flowers of P. mume. Differentially expressed genes were identified between the two different stages showing great discrepancy in floral volatile production. Moreover, according to the expression specificity among the organs (stem, root, fruit, leaf), we summarized one gene cluster regulating the benzenoid floral scent. Significant gene changes were observed in accordance with the formation of benzenoid, thus pointing the pivotal roles of genes as well as cytochrome-P450s and short chain dehydrogenases in the benzenoid biosynthetic process. Further, transcription factors like EMISSION OF BENZENOID I and ODORANT I performed the same expression pattern suggesting key roles in the management of the downstream genes. Taken together, these data provide potential novel anchors for the benzenoid pathway, and the insight for the floral scent induction and regulation mechanism in woody plants"
Keywords:		Mei benzenoid biosynthesis floral scent transcription factors transcriptome;
Notes:		"PubMed-not-MEDLINEZhao, Kai Yang, Weiru Zhou, Yuzhen Zhang, Jie Li, Yushu Ahmad, Sagheer Zhang, Qixiang eng Switzerland 2017/03/28 Front Plant Sci. 2017 Mar 10; 8:319. doi: 10.3389/fpls.2017.00319. eCollection 2017"