Junren Meng

ORCID: 0009-0004-2484-1688
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Research Areas
  • Postharvest Quality and Shelf Life Management
  • Plant Physiology and Cultivation Studies
  • Plant Gene Expression Analysis
  • Horticultural and Viticultural Research
  • Plant Reproductive Biology
  • Plant Molecular Biology Research
  • Plant Stress Responses and Tolerance
  • Phytochemicals and Antioxidant Activities
  • Photosynthetic Processes and Mechanisms
  • Powdery Mildew Fungal Diseases
  • Plant Disease Management Techniques
  • Insect-Plant Interactions and Control
  • Phytoplasmas and Hemiptera pathogens
  • Food composition and properties
  • Enzyme Production and Characterization
  • Polysaccharides and Plant Cell Walls
  • Plant and animal studies

Chinese Academy of Agricultural Sciences
2021-2025

Zhengzhou Fruit Research Institute
2021-2025

Huazhong Agricultural University
2024

Henan Academy of Agricultural Sciences
2024

The storage of peach fruits at 4–5 °C can easily lead to chilling injury and greatly reduce the quality commercial value fruits. In this study, two kinds (CX CM) were selected analyze mechanisms in with different sensitivity by means their lipidomic, transcriptome, dynamic changes plant hormones. We found that ethylene, abscisic acid (ABA), lipid contents changed differently between CX CM. ABA dilactosyl diacylglycerol (DGDG) significantly increased after refrigeration CM fruit, leading...

10.3390/horticulturae10010046 article EN cc-by Horticulturae 2024-01-02

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10.2139/ssrn.5091074 preprint EN 2025-01-01

With the evolution of consumer purchasing power and consumption concepts, external attributes such as fruit size, color, peel smoothness have emerged pivotal determinants influencing preferences; among these, background color exerts a considerable impact on esthetics. The is predominantly influenced by chlorophyll content. Consequently, examining degradation patterns in Prunus persica L. holds significant importance for cultivating varieties with cleaner color. In this study, CP14 20–29 were...

10.3390/plants14030312 article EN cc-by Plants 2025-01-21

Summary Red leaf peach has important ornamental value owing to its characteristic coloration. However, this species is highly susceptible powdery mildew, and the mechanisms of red formation, resistance their relationship remain unclear. We performed population genetic analyses peach, revealing that translocation chromosomes 6 8 genetically linked both trait mildew resistance. Bulk segregant analysis‐sequencing, genome resequencing, expression analysis indicated PpMYB114 gene PpRPP13 are...

10.1111/nph.70028 article EN New Phytologist 2025-03-04

Abstract Red leaves in autumn are characteristic of a very early-maturing ripening variety peach ( Prunus persica ). Analysis the genetic factors and molecular mechanisms associated with red-leaf phenotype can help breed early maturing varieties. This study investigated underlying red- green-leaf phenotypes autumn. compounds accumulated older but not younger extremely variety, ‘99-30-33’, medium-maturing ‘Zhongtao5 (CP5)’. Metabolic analysis showed that cyanidin-3- O -glucoside was most...

10.1007/s44281-023-00012-5 article EN cc-by Horticulture Advances 2023-09-30

Stony hard (SH) peach (Prunus persica L. Batsch) fruit does not release ethylene and has very firm crisp flesh at ripening, both on- off-tree. Long-term cold storage can induce production a serious risk of chilling injury in SH fruit; however, the regulatory mechanism underlying stony is relatively unclear. In this study, we analyzed phytohormone levels, firmness, transcriptome, lipidome changes 'Zhongtao 9' (CP9) during (4 °C). The expression level biosynthesis gene PpACS1 content were...

10.3390/ijms222111308 article EN International Journal of Molecular Sciences 2021-10-20

Auxin and ethylene play critical roles in the ripening of peach ( Prunus persica ) fruit; however, interaction between these two phytohormones is complex not fully understood. Here, we isolated a ILR gene, PpILR1 , which encodes an indole-3-acetic acid (IAA)-amino hydrolase. Functional analyses revealed that acts as transcriptional activator 1-amino cyclopropane-1-carboxylic synthase PpACS1 ), hydrolyzes auxin substrates to release free auxin. When Cys137 was changed Ser137, failed show...

10.3389/fpls.2021.655758 article EN cc-by Frontiers in Plant Science 2021-05-12

Stony hard (SH) peach ( Prunus persica ) fruits produce no ethylene and clingstone-type SH peaches have a crispy flesh texture; however, freestone-type ripen to soft, mealy state. During this study, we compared analyzed changes in the microstructure, cell wall polysaccharides, candidate wall-related genes of ‘Zhongtao 14’ (‘CP14’), White Jade 2’ (‘CPWJ2’), 13’ (‘CP13’), 9’ (‘CP9’) during fruit ripening. The parenchyma cells became detached, were single, dried, irregularly arranged, remained...

10.21273/jashs05378-24 article EN cc-by-nc-nd Journal of the American Society for Horticultural Science 2024-03-25

Mealy peaches are dry and flavorless, which reduces their consumer acceptance. A deeper understanding of the mechanism underlying mealiness is crucial to enhancing peach fruit quality. In this study, comparative profiling was conducted on CP13, CP14, CM, RM peaches. Sensory evaluation indicated that CP13 CM non-mealy clingstone freestone peaches, respectively, CP14 mealy Both identified as stony hard (SH) exhibited minimal ethylene release, whereas RM, melting flesh (MF) released high...

10.3390/horticulturae10060615 article EN cc-by Horticulturae 2024-06-09

<title>Abstract</title> Nectarine russeting is usually considered to be a non-invasive physiological disease that occurs on late maturing cultivars and seriously affects their appearance quality commercial value. The cause of nectarine fruit rust currently unknown. In this study, we compared two flat cultivars, ‘zhongyoupanweidi’ (HD; russeting-free cultivar) ‘zhongyoupanweihou’ (TH; russeting-prone cultivar), with respect by means microscopy, transcriptomics, hormone analysis. Compared HD...

10.21203/rs.3.rs-4674306/v1 preprint EN cc-by Research Square (Research Square) 2024-08-14

To explore the regulation mechanism of different cold-sensitive peach fruits on low temperature, changes phytohormone levels, transcriptome, and lipidome in -insensitive cultivars were analyzed during storage at 4 °C. We found that ethylene, abscisic acid (ABA), lipid contents changed differently between ‘CX’ ‘CM’. ABA digalactosyldiacylglycerol (DGDG) increased significantly after refrigeration ‘CM’ fruit consequently leading to strong cold resistance. However, temperature induced higher...

10.2139/ssrn.4085272 article EN SSRN Electronic Journal 2022-01-01

"‘Zhongyoupanweimei’: A Flat Nectarine Cultivar from the Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences" published on Dec 2022 by American Society for Horticultural Science.

10.21273/hortsci16792-22 article EN cc-by-nc-nd HortScience 2022-11-04
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