Abstract:
:In this article, we investigated the effect of exogenous calcium on improving viability of Debaryomyces hansenii and Pichia membranaefaciens under heat stress, and evaluated the role of calcium in reducing oxidant damage of proteins in the yeast cells. The results indicated that high concentration of exogenous calcium in culture medium was beneficial for enhancing the tolerance of the biocontrol yeasts to heat stress. The possible mechanism of calcium improving the viability of yeasts was attributed to enhancement of antioxidant enzyme activities, decrease in ROS accumulation and reduction of oxidative damage of intracellular protein in yeast cells under heat stress. D. hansenii is more sensitive to calcium as compared to P. membranaefaciens. Our results suggest that application of exogenous calcium combined with biocontrol yeasts is a practical approach for the control of postharvest disease in fruit.
journal_name
Curr Microbioljournal_title
Current microbiologyauthors
An B,Li B,Qin G,Tian Sdoi
10.1007/s00284-012-0133-4subject
Has Abstractpub_date
2012-08-01 00:00:00pages
122-7issue
2eissn
0343-8651issn
1432-0991journal_volume
65pub_type
杂志文章abstract::In this study, vegetative insecticidal proteins vip3 genes from Bacillus thuringiensis strains were detected based on polymerase chain reaction-high resolution melt (PCR-HRM) analysis. A pair of primers was designed according to the conservative sequences in 150 bp region of the known vip3 subfamily. The 150 bp region...
journal_title:Current microbiology
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journal_title:Current microbiology
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journal_title:Current microbiology
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pub_type: 杂志文章,已发布勘误
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journal_title:Current microbiology
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pub_type: 杂志文章
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更新日期:2014-12-01 00:00:00
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journal_title:Current microbiology
pub_type: 杂志文章
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journal_title:Current microbiology
pub_type: 杂志文章
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更新日期:2011-07-01 00:00:00
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journal_title:Current microbiology
pub_type: 杂志文章
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