Institutional Repository of Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
A predictive model of Vibrio cholerae for combined temperature and organic nutrient in aquatic environments | |
Fu, S.1; Shen, J.2; Liu, Y.2; Chen, K.2; Fu, S | |
2013-02-01 | |
发表期刊 | JOURNAL OF APPLIED MICROBIOLOGY |
ISSN | 1364-5072 |
卷号 | 114期号:2页码:574-585 |
文章类型 | Article |
摘要 | Aims To develop a predictive model for Vibrio cholerae in sea water. Methods and Results The growth curves of V. cholerae NE-9 at different temperatures (range from 10 to 30 degrees C) and chemical oxygen demand (COD) concentration (range from 5 to 40 mg l-1) were determined. The modified logistic model and Baranyi model were chosen to regress the growth curves. A new method for modelling effects of temperature and COD on the specific growth rate (mu) was successfully developed by a combination of modified square roottype equation and saturation growth rate model. The coefficient of determination (R2), bias factor (Bf) and accuracy factor (Af) were taken to assess the performance of the established model. Logistic model produced a good fit to the observed data (R2 = 0.952). However, the Baranyi model provided biologically plausible parameter estimates. The overall predictions for V. cholerae NE-9 growth agreed well with observed plate counts, and the average R2, Bf and Af values were 0.967, 1.198 and 1.201, respectively. Conclusion The predicted model agreed well with observed data, and the result can be applied for the prediction of V. cholerae in actual environments. Significance and Impact of the Study The results of this study provide the basis for the prediction of V. cholerae in sea water.; Aims To develop a predictive model for Vibrio cholerae in sea water. Methods and Results The growth curves of V. cholerae NE-9 at different temperatures (range from 10 to 30 degrees C) and chemical oxygen demand (COD) concentration (range from 5 to 40 mg l-1) were determined. The modified logistic model and Baranyi model were chosen to regress the growth curves. A new method for modelling effects of temperature and COD on the specific growth rate (mu) was successfully developed by a combination of modified square roottype equation and saturation growth rate model. The coefficient of determination (R2), bias factor (Bf) and accuracy factor (Af) were taken to assess the performance of the established model. Logistic model produced a good fit to the observed data (R2 = 0.952). However, the Baranyi model provided biologically plausible parameter estimates. The overall predictions for V. cholerae NE-9 growth agreed well with observed plate counts, and the average R2, Bf and Af values were 0.967, 1.198 and 1.201, respectively. Conclusion The predicted model agreed well with observed data, and the result can be applied for the prediction of V. cholerae in actual environments. Significance and Impact of the Study The results of this study provide the basis for the prediction of V. cholerae in sea water. |
关键词 | Logistic Model Predictive Model Saturation Growth Rate Model Specific Growth Rate Square Root-type Equation Vibrio Cholerae |
学科领域 | Biotechnology & Applied Microbiology ; Microbiology |
DOI | 10.1111/jam.12058 |
URL | 查看原文 |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Biotechnology & Applied Microbiology ; Microbiology |
WOS类目 | Biotechnology & Applied Microbiology ; Microbiology |
WOS记录号 | WOS:000313723800029 |
WOS关键词 | BACTERIAL-GROWTH ; SURVIVAL ; VIRULENCE ; SALINITY ; CARBON ; WATER ; O1 ; MICROCOSMS ; STRAINS ; SPP. |
WOS标题词 | Science & Technology ; Life Sciences & Biomedicine |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/16517 |
专题 | 实验海洋生物学重点实验室 海洋生物技术研发中心 |
通讯作者 | Fu, S |
作者单位 | 1.Nanchang Ctr Dis Control & Prevent, Nanchang 330038, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China |
推荐引用方式 GB/T 7714 | Fu, S.,Shen, J.,Liu, Y.,et al. A predictive model of Vibrio cholerae for combined temperature and organic nutrient in aquatic environments[J]. JOURNAL OF APPLIED MICROBIOLOGY,2013,114(2):574-585. |
APA | Fu, S.,Shen, J.,Liu, Y.,Chen, K.,&Fu, S.(2013).A predictive model of Vibrio cholerae for combined temperature and organic nutrient in aquatic environments.JOURNAL OF APPLIED MICROBIOLOGY,114(2),574-585. |
MLA | Fu, S.,et al."A predictive model of Vibrio cholerae for combined temperature and organic nutrient in aquatic environments".JOURNAL OF APPLIED MICROBIOLOGY 114.2(2013):574-585. |
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