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- Title
Variovorax sp. R1 Increased Resistance to Chilling Injury of 'Nanguo' pear by Regulating Sucrose Metabolism.
- Authors
Yang, Biying; Ding, Yan; Guo, Pengfei; Yu, Xinqi; Ye, Shuhong; Nie, Wenqi; Liu, Jing; Wang, Chenchen; Wang, Jing
- Abstract
Cold stress is a significant abiotic stress that profoundly impacts the quality of fruits and vegetables. This study parsed the effects of fermentation supernatant (CFS-R1) and bacterial suspension (CRS-R1) of antagonistic bacteria R1 on the physiological quality and sugar metabolism of 'Nanguo' pears under chilling stress. The results demonstrated that both CFS-R1 and CRS-R1 significantly reduced the browning and weight loss of the fruit and suppressed the chilling injury. The relative electrolyte leakage of CFS-R1 and CRS-R1 treated fruits were reduced by 9.4 % and 9.9 % respectively on day 7 of storage, indicating improved cell membrane stability. Furthermore, both CFS-R1 and CRS-R1 maintained the sucrose content of the fruits, with CFS-R1 also increasing the content of glucose and fructose. In conclusion, the antagonist R1 can serve as a biological preservative to enhance the cold tolerance of Nanguo pear fruit by regulating sugar metabolism.
- Subjects
PEARS; SUCROSE; METABOLISM; FRUCTOSE; ABIOTIC stress; FRUIT quality
- Publication
Food & Bioprocess Technology, 2024, Vol 17, Issue 3, p697
- ISSN
1935-5130
- Publication type
Article
- DOI
10.1007/s11947-023-03167-1