Environmental influences on the seasonal distribution ofVibrio parahaemolyticusin the Pacific Northwest of the USA

Paranjpye, Rohinee N.; Nilsson, William B.; Liermann, Martin; Hilborn, Elizabeth D.; George, Barbara J.; Li, Quanlin; Bill, Brian D.; Trainer, Vera L.; Strom, Mark S.; Sandifer, Paul A.

doi:10.1093/femsec/fiv121

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Environmental influences on the seasonal distribution ofVibrio parahaemolyticusin the Pacific Northwest of the USA

2015
By Paranjpye, Rohinee N. ; Nilsson, William B. ; Liermann, Martin ; ...
Source: FEMS Microbiology Ecology, 91(12), fiv121

[PDF-1.73 MB]

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Journal Title:

FEMS Microbiology Ecology
Personal Author:

Paranjpye, Rohinee N. ; Nilsson, William B. ; Liermann, Martin ; Hilborn, Elizabeth D. ; George, Barbara J. ; ... More +

Paranjpye, Rohinee N. ; Nilsson, William B. ; Liermann, Martin ; Hilborn, Elizabeth D. ; George, Barbara J. ; Li, Quanlin ; Bill, Brian D. ; Trainer, Vera L. ; Strom, Mark S. ; Sandifer, Paul A. Less -
NOAA Program & Office:

NCCOS (National Centers for Coastal Ocean Science) ; NMFS (National Marine Fisheries Service) ; NOS (National Ocean Service) ; NWFSC (Northwest Fisheries Science Center)

NCCOS (National Centers for Coastal Ocean Science) ; NMFS (National Marine Fisheries Service) ; NOS (National Ocean Service) ; NWFSC (Northwest Fisheries Science Center) Less -
Description:

Populations of Vibrio parahaemolyticus in the environment can be influenced by numerous factors. We assessed the correlation of total (tl+) and potentially virulent (tdh+) V. parahaemolyticus in water with three harmful algal bloom (HAB) genera (Pseudo-nitzschia, Alexandrium and Dinophysis), the abundance of diatoms and dinoflagellates, chlorophyll-a and temperature, salinity and macronutrients at five sites in Washington State from 2008–2009. The variability in V. parahaemolyticus density was explained predominantly by strong seasonal trends where maximum densities occurred in June, 2 months prior to the highest seasonal water temperature. In spite of large geographic differences in temperature, salinity and nutrients, there was little evidence of corresponding differences in V. parahaemolyticus density. In addition, there was no evident relationship between V. parahaemolyticus and indices of HAB genera, perhaps due to a lack of significant HAB events during the sampling period. The only nutrient significantly associated with V. parahaemolyticus density after accounting for the seasonal trend was silicate. This negative relationship may be caused by a shift in cell wall structure for some diatom species to a chitinous substrate preferred by V. parahaemolyticus. Results from our study differ from those in other regions corroborating previous findings that environmental factors that trigger vibrio and HAB events may differ depending on geographic locations. Therefore caution should be used when applying results from one region to another.
Keywords:

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Applied Microbiology And Biotechnology Ecology Microbiology
Source:

FEMS Microbiology Ecology, 91(12), fiv121
DOI:

https://doi.org/10.1093/femsec/fiv121
ISSN:

1574-6941
Format:

PDF
Publisher:

Oxford University Press (OUP)
Document Type:

Journal Article
License:

https://creativecommons.org/publicdomain/zero/1.0/
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CC0 Public Domain
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urn:sha-512:14d4d8eab1070bfe2d375535d5e8fef55f721c36554e66e26f4d6e9f0bc875adf77071a689d02f13a8b9a6eb62a137d7032fcd2460d1e4d8a2aa735bcb1f0002
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https://repository.library.noaa.gov/view/noaa/63510/noaa_63510_DS1.pdf
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Environmental influences on the seasonal distribution ofVibrio parahaemolyticusin the Pacific Northwest of the USA

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