ABA Biosynthesis Genes are Down-regulated While Auxin and Cytokinin Biosynthesis Genes are Up-regulated During the Release of Grapevine Buds From Endodormancy

Noriega, Ximena; Pérez, Francisco J.

doi:10.1007/s00344-017-9685-7

Cited by 24 publications

(10 citation statements)

References 46 publications

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“…Early research showed that CK concentration in xylem sap increases rapidly in response to bud breaking chemicals and reaches a maximum level at the budburst in apple (Cutting et al, 1991). Genetic analysis demonstrated that forced condition either through LD photoperiod or treatment with HC can increase CK levels in the grapevine cuttings by activating the expression of CK biosynthesis genes ( IPT and lonely Guy LOG1 ) while downregulating that of CK catabolism gene CKX (Noriega and Pérez, 2017). Furthermore, temporal expression analysis showed that the increase of CK levels induced by forced conditions can upregulate the expression of cell cycle genes and subsequently raises the rate of cell division and cellular respiration, which are the major events preceding the activation of dormant buds (Noriega and Pérez, 2017).…”

Section: Cytokininsmentioning

confidence: 99%

Hormonal Orchestration of Bud Dormancy Cycle in Deciduous Woody Perennials

2019

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Woody perennials enter seasonal dormancy to avoid unfavorable environmental conditions. Plant hormones are the critical mediators regulating this complex process, which is subject to the influence of many internal and external factors. Over the last two decades, our knowledge of hormone-mediated dormancy has increased considerably, primarily due to advancements in molecular biology, omics, and bioinformatics. These advancements have enabled the elucidation of several aspects of hormonal regulation associated with bud dormancy in various deciduous tree species. Plant hormones interact with each other extensively in a context-dependent manner. The dormancy-associated MADS (DAM) transcription factors appear to enable hormones and other internal signals associated with the transition between different phases of bud dormancy. These proteins likely hold a great potential in deciphering the underlying mechanisms of dormancy initiation, maintenance, and release. In this review, a recent understanding of the roles of plant hormones, their cross talks, and their potential interactions with DAM proteins during dormancy is discussed.

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Section: Cytokininsmentioning

confidence: 99%

Hormonal Orchestration of Bud Dormancy Cycle in Deciduous Woody Perennials

2019

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“…On the contrary, hybrid aspen plants with increased GA concentration by overexpression of AtGA20ox1 continue to grow under short-day conditions ( Eriksson et al, 2015 ). In addition to its role in apical dominance/paradormancy induction, gene expression studies associate auxin signaling with bud dormancy release and growth resumption ( Anderson et al, 2005 ; El Kayal et al, 2011 ; Noriega and Pérez, 2017 ). On the other hand, modification of ABA signaling by overexpression and down-regulation of a poplar ortholog of ABA INSENSITIVE 3 ( ABI3 ) alters bud formation in response to short-days ( Rohde et al, 2002 ; Ruttink et al, 2007 ).…”

Section: Dormancy Setupmentioning

confidence: 99%

Modulation of Dormancy and Growth Responses in Reproductive Buds of Temperate Trees

2018

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During autumn perennial trees cease growth and form structures called buds in order to protect meristems from the unfavorable environmental conditions, including low temperature and desiccation. In addition to increased tolerance to these abiotic stresses, reproductive buds modulate developmental programs leading to dormancy induction to avoid premature growth resumption, and flowering pathways. Stress tolerance, dormancy, and flowering processes are thus physically and temporarily restricted to a bud, and consequently forced to interact at the regulatory level. We review recent genomic, genetic, and molecular contributions to the knowledge of these three processes in trees, highlighting the role of epigenetic modifications, phytohormones, and common regulatory factors. Finally, we emphasize the utility of transcriptomic approaches for the identification of key structural and regulatory genes involved in bud processes, illustrated with our own experience using peach as a model.

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“…In addition, the wide application of proteomics technologies, such as isobaric tag for relative and absolute quantitation (iTRAQ) and tandem mass tags (TMT) [ 20 – 22 ], has achieved significant progress in dormancy regulative network research at the protein level. Dormancy-related regulatory pathways have been shown to be involved in the regulation of energy metabolism [ 21 ], phytohormones [ 1 , 23 , 24 ], cell division and growth [ 25 ], carbohydrate metabolism [ 12 ], signal transduction, oxidative stress [ 26 , 27 ], secondary metabolism [ 22 ], and epigenetic control [ 14 , 28 ]. A large number of coordinating key genes that regulate signaling pathways were identified.…”

Section: Introductionmentioning

confidence: 99%

Comparative transcriptome analysis provides insight into regulation pathways and temporal and spatial expression characteristics of grapevine (Vitis vinifera) dormant buds in different nodes

et al. 2020

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Background: Bud dormancy is a strategic mechanism plants developed as an adaptation to unfavorable environments. The grapevine (Vitis vinifera) is one of the most ancient fruit vine species and vines are planted all over the world due to their great economic benefits. To better understand the molecular mechanisms underlying bud dormancy between adjacent months, the transcriptomes of 'Rosario Bianco' grape buds of 6 months and three nodes were analyzed using RNA-sequencing technology and pair-wise comparison. From November to April of the following year, pairwise comparisons were conducted between adjacent months. Results: A total of 11,647 differentially expressed genes (DEGs) were obtained from five comparisons. According to the results of cluster analysis of the DEG profiles and the climatic status of the sampling period, the 6 months were divided into three key processes (November to January, January to March, and March to April). Pair-wise comparisons of DEG profiles of adjacent months and three main dormancy processes showed that the whole grapevine bud dormancy period was mainly regulated by the antioxidant system, secondary metabolism, cell cycle and division, cell wall metabolism, and carbohydrates metabolism. Additionally, several DEGs, such as VvGA2OX6 and VvSS3, showed temporally and spatially differential expression patterns, which normalized to a similar trend during or before April. Conclusion: Considering these results, the molecular mechanisms underlying bud dormancy in the grapevine can be hypothesized, which lays the foundation for further research.

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ABA Biosynthesis Genes are Down-regulated While Auxin and Cytokinin Biosynthesis Genes are Up-regulated During the Release of Grapevine Buds From Endodormancy

Cited by 24 publications

References 46 publications

Hormonal Orchestration of Bud Dormancy Cycle in Deciduous Woody Perennials

Hormonal Orchestration of Bud Dormancy Cycle in Deciduous Woody Perennials

Modulation of Dormancy and Growth Responses in Reproductive Buds of Temperate Trees

Comparative transcriptome analysis provides insight into regulation pathways and temporal and spatial expression characteristics of grapevine (Vitis vinifera) dormant buds in different nodes

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