Ahmed Alabd

ORCID: 0000-0002-9346-858X
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About
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Research Areas
  • Postharvest Quality and Shelf Life Management
  • Plant Physiology and Cultivation Studies
  • Plant Gene Expression Analysis
  • Berry genetics and cultivation research
  • Plant Stress Responses and Tolerance
  • Plant Molecular Biology Research
  • Horticultural and Viticultural Research
  • Plant biochemistry and biosynthesis
  • Plant Pathogens and Fungal Diseases
  • Plant and Fungal Interactions Research
  • Plant Reproductive Biology
  • Phytochemicals and Antioxidant Activities
  • Pomegranate: compositions and health benefits

Alexandria University
2017-2024

Zhejiang University
2022-2023

Anthocyanins are a valuable source of antioxidants in the human diet and contribute to fruit coloration. In red-skinned pears, anthocyanin biosynthesis can be induced by light, which MYB-bHLH-WDR complex plays critically important role transcriptional regulation. However, knowledge WRKY-mediated regulation light-induced is scarce red pears. This work identified functionally characterized light-inducing WRKY transcription factor, PpWRKY44, pear. Functional analysis based on overexpressed pear...

10.1093/hr/uhac199 article EN cc-by Horticulture Research 2022-01-01

Abstract Malate impacts fruit acidity and plays a vital role in stress tolerance. accumulation is induced by salinity various plants as metabolite coping with this stress. However, the exact molecular mechanism responsible for salinity-induced malate remains unclear. Here, we determined that treatment induces pear (Pyrus spp.) fruit, calli, plantlets compared to control. Genetic biochemical analyses established key roles of PpWRKY44 ABRE-BINDING FACTOR3 (PpABF3) transcription factors...

10.1093/plphys/kiad168 article EN PLANT PHYSIOLOGY 2023-03-18

Abstract Bud dormancy is an important physiological process during winter. Its release requires a certain period of chilling. In pear (Pyrus pyrifolia), the abscisic acid (ABA)-induced expression DORMANCY-ASSOCIATED MADS-box (DAM) genes represses bud break, whereas exogenous gibberellin (GA) promotes release. However, with exception ABA and GA, regulatory effects phytohormones on remain largely uncharacterized. this study, we confirmed brassinosteroids (BRs) jasmonic (JA) contribute to If...

10.1093/plphys/kiad633 article EN PLANT PHYSIOLOGY 2023-11-30

Color and acidity, two important fruit quality traits, greatly influence consumer choice market competitiveness. They result from the accumulation of anthocyanins organic acids in vacuole. A shift vacuolar pH, caused by acids, leads to a change absorption spectrum anthocyanins, thus changes color tissues, suggesting possible relationship between these traits. Thus, discovery molecular co-mechanism responsible for processes is one most challenging improving traits ultimately increasing value....

10.48130/frures-0023-0041 article EN cc-by Fruit Research 2023-11-10

Ethylene is an essential indicator of fruit ripening and climacteric or non-climacteric nature. This study investigated the postharvest behavior five Chinese bayberry cultivars ‘Biqi’, ‘Dongkui’, ‘Fenhong’, ‘Xiazhihong’, ‘Shuijing’. The fruits were harvested mature stored at room temperature (25 °C) under cold storage conditions (4 to investigate dynamics ethylene production, firmness, anthocyanin content, cell wall polysaccharide composition, as well basic physicochemical characteristics....

10.3390/horticulturae10111144 article EN cc-by Horticulturae 2024-10-28

The present study was carried out during the two successive seasons of 2014 and 2015 on five years old Wonderfulpomegranate cultivar (Punica granatum, L) in order to investigate effect fruit bagging, spraying with lime milk,super nano, CaCO3, vitamin C kaolin, as well as, nitrogen potassium fertilization quality especiallythe incidence sunburn. obtained results showed that all treatments significantly affected sunburn percentageand number sunburned fruits, especially super nano kaolin...

10.21608/alexja.2017.5760 article EN cc-by-nc-sa Alexandria Journal of Agricultural Research 2017-02-01

<title>Abstract</title> Ethylene is an essential indicator of fruit ripening and quality; thus, this study investigated the postharvest behavior five Chinese bayberry cultivars according to their climacteric or non-climacteric nature. These represented four different fruit-color groups, including ‘Biqi’, ‘Dongkui’, ‘Fenhong’, ‘Xiazhihong’, ‘Shuijing’. The fruits have been harvested stored at both room temperature (25°C) cold storage conditions (4°C) investigate dynamics ethylene production,...

10.21203/rs.3.rs-4895033/v1 preprint EN Research Square (Research Square) 2024-09-06

<title>Abstract</title> The full text of this preprint has been withdrawn by the authors due to author disagreement with posting preprint. Therefore, do not wish work be cited as a reference. Questions should directed corresponding author.

10.21203/rs.3.rs-4895033/v2 preprint EN Research Square (Research Square) 2024-09-13
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