Advances in understanding of the mechanisms regulating anthocyanin accumulation in peach

Scientia Horticulturae, Journal Year: 2025, Volume and Issue: 342, P. 114022 - 114022

Published: Feb. 1, 2025

Language: Английский

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For a Colorful Life: Recent Advances in Anthocyanin Biosynthesis during Leaf Senescence

Biology, Journal Year: 2024, Volume and Issue: 13(5), P. 329 - 329

Published: May 9, 2024

Leaf senescence is the last stage of leaf development, and it accompanied by a color change. In some species, anthocyanins are accumulated during senescence, which vital indicators for both ornamental commercial value. Therefore, essential to understand molecular mechanism anthocyanin accumulation would provide new insight into autumn coloration breeding more colorful plants. Anthocyanin surprisingly complex process, significant advances have been made in past decades. this review, we focused on senescence. We emphatically discussed several networks linked genetic, hormonal, environmental, nutritional factors regulating This paper aims regulatory model put forward prospects future development.

Language: Английский

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NAC Transcription Factor PpNAP4 Promotes Chlorophyll Degradation and Anthocyanin Synthesis in the Skin of Peach Fruit

Journal of Agricultural and Food Chemistry, Journal Year: 2024, Volume and Issue: 72(36), P. 19826 - 19837

Published: Aug. 30, 2024

Chlorophyll (Chl) catabolism and anthocyanin synthesis play pivotal roles in determining the final skin color of fruits during maturation. However, peach (Prunus persica) fruit, regulatory mechanism governing color, especially Chl catabolism, remains largely elusive. In this study, we identified ten catabolic genes (CCGs), with PpSGR emerging as a key regulator degradation peaches. Furthermore, NAC-like, activated by AP3/P1 (NAP) transcription factor (TF), PpNAP4, was positive modulator breakdown. PpNAP4 induced expression other CCGs, including PpPPH, PpPAO, PpTIC55–2, directly binding to their promoters. Overexpression resulted heightened these accelerated degradation. Notably, also positively regulated PpANS PpMYB10.1, one structural gene core transcriptional synthesis, thereby contributing fruit coloration. summary, our findings elucidate that serves orchestrating accumulation through direct activation multiple CCGs related genes.

Language: Английский

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Chinese cherry CpMYB44‐CpSPDS2 module regulates spermidine content and florescence in tobacco

Physiologia Plantarum, Journal Year: 2024, Volume and Issue: 176(2)

Published: March 1, 2024

Abstract The flower bud differentiation plays a crucial role in cherry yield and quality. In preliminary study, we revealed the promotion of spermidine (Spd) However, molecular mechanism underlying Spd regulating remains unclear. To address this research gap, cloned CpSPDS2 , gene that encodes synthase is highly expressed whole flowers pistils Chinese (cv. ‘Manaohong’). Furthermore, an overexpression vector with was constructed to transform tobacco plants. findings demonstrated transgenic lines exhibited higher content, earlier flowering time by 6 d, more lateral buds than wild‐type lines. Additionally, yeast one‐hybrid assays two‐luciferase experiments confirmed R2R3‐MYB transcription factor (CpMYB44) directly binds activates promoter transcription. It indicated CpMYB44 promotes accumulation via expression, thus accelerating growth. This provides basis for resolving involved differentiation.

Language: Английский

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Transcription factors repressing anthocyanin biosynthesis in horticultural crops

Fruit Research, Journal Year: 2025, Volume and Issue: 5(1), P. 0 - 0

Published: Jan. 1, 2025

Language: Английский

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Genome-wide identification and expression profiles of NAC transcription factors in Poncirus trifoliata reveal their potential roles in cold tolerance

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: April 16, 2025

Background Citrus, a globally vital economic crop, faces severe challenges due to extreme climatic conditions and diseases/pests attack. Poncirus trifoliata is closely related citrus shows unique cold tolerance, making it crucial material for unraveling genes involved in tolerance. NAC (NAM, ATAF1/2, CUC2) transcription factors play important roles plant growth, development, stress responses. However, their evolution patterns regulatory networks remain poorly studied. This study aims elucidate the genomic characteristics, of NAC P. trifoliata, analyze expression under stress. Results Genome-wide analysis identified 135 PtrNAC with non-random chromosomal distribution, including 20 gene clusters. 57.78% are located chromosomes 3, 4 5. Gene duplication revealed that proximal tandem duplications as primary expansion mechanisms, repeats specifically driving lineages (subfamilies IV, V, VII). Collinearity showed 24.44% were retained homologous regions, Ka/Ks ratio further confirmed purifying selection dominated evolutionary process. Transcriptome landscapes Pt5g024390 (NAC2) was induced greatest degree Meanwhile, level tetraploid more than two folds higher compared diploid counterpart presence Virus-induced silencing led significantly enhanced implying plays negative role regulation Conclusion systematically elucidated global distribution trifoliata. In addition, exhibit adaptive driven by duplications. The identification cold-responsive provides valuable insights into unravelling potential candidates engineering tolerance citrus.

Language: Английский

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PbNAC3 coordinates AsA generation and ABA biosynthesis to improve salt tolerance in pear

The Plant Journal, Journal Year: 2025, Volume and Issue: 122(2)

Published: April 1, 2025

SUMMARY In plants, dehydroascorbate reductase (DHAR) is one of the key enzymes in AsA generation during AsA‐GSH cycle, which helps maintain normal metabolic level AsA. However, molecular mechanism DHAR's response to salt stress still unknown. Our experiments show a ping‐pong mechanism, DHA combined with free DHAR, and DHAR GSH form sulfenylation promote stress. This inhibited by H 2 O ‐mediated modification. The overexpression PbDHAR3 pear callus Arabidopsis plants alleviated salt‐induced damage, while its silencing decreased tolerance Pyrus betulaefolia . PbNAC3 can activate expression directly binding promoter. improved tolerance, it reduced P. betulaefolia. Overexpression able adjust trade‐off between plant growth Higher levels NCEDs or PYLs , higher ABA content were observed under treatment. Further demonstrate that activates PbNCED5 through interaction cis ‐regulatory elements. Overall, our results plays critical role targeting promoters promoting biosynthesis. study will deepen understanding mechanisms underlying trade‐offs assist development stress‐resistant, high‐yield crops.

Language: Английский

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Population structure, genetic diversity, and GWAS analyses with GBS-derived SNPs and silicodart markers unveil genetic potential for breeding and candidate genes for agronomic and root quality traits in an international sugar beet germplasm collection

BMC Plant Biology, Journal Year: 2025, Volume and Issue: 25(1)

Published: April 24, 2025

Knowledge about the degree of genetic diversity and population structure is crucial as it facilitates novel variations that can be used in breeding programs. Similarly, genome-wide association studies (GWAS) reveal candidate genes controlling traits interest. Sugar beet a major industrial crops worldwide, generating 20% world's total sugar production. In this work, using genotyping by sequencing (GBS)-derived SNP silicoDArT markers, we present new insights into level an international germplasm (94 accessions from 16 countries). We also performed GWAS to identify for agriculturally-relevant traits. After applying various filtering criteria, 4,609 high-quality non-redundant SNPs 6,950 markers were analyses. Calculation indices (e.g., mean gene diversity: 0.31, MAF: 0.22) (mean 0.21, 0.12) data sets revealed existence good conserved diversity. Cluster analysis UPGMA three two distinct clusters DArT data, respectively, with being grouped general agreement their geographical origins tap root color. Coincidently, indicated (K = 3) 2) subpopulations each subpopulation sharing similar geographic color; comparable clustering patterns found principal component analysis. on 13 leaf phenotypic allowed identification 35 significant marker-trait associations nine and, based predicted functions genomic regions surrounding 25 identified four (fresh weight, width, length, color) (shape, blade color, veins color). The work unveiled diversity-evidenced both genetically (by markers) phenotypically- exploitable programs curation beet. Results analyses provide frame future aiming at deciphering basis underlying relevant related crop types within Beta vulgaris subsp. vulgaris.

Language: Английский

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Transcriptome sequencing of medical herb Salvia Rosmarinus (Rosemary) revealed the phenylpropanoid biosynthesis pathway genes and their phylogenetic relationships

Molecular Biology Reports, Journal Year: 2024, Volume and Issue: 51(1)

Published: June 14, 2024

Language: Английский

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The basic helix-loop-helix transcription factor PpeUNE12 regulates peach ripening by promoting polyamine catabolism and anthocyanin synthesis

Plant Physiology and Biochemistry, Journal Year: 2025, Volume and Issue: 220, P. 109537 - 109537

Published: Jan. 21, 2025

Language: Английский

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