E-ISSN 2536-9520 | ISSN 1110-2047
 

Original Article 


Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied.

Abstract
Shrimp cover a major part of aquaculture industry and as demanding seafood species. Bacterial diseases affecting marine shrimp are numerous and cause high economic losses in marine culture sector in Egypt, therefore; this study was conducted for isolation and identification of some bacteria affecting marine shrimp and have emerged as a significant human pathogen related to seafood consumption in Egypt. A total number of 130 marine shrimp samples were collected from different ordinary market in Alexandria governorate during the period from May 2014 till September 2015 and subjected to bacteriological examination. The bacterial isolates were identified morphologically, biochemically by conventional methods and VITEK 2 system, and Matrix assisted laser desorption ionization-time of flight mass spectrometry MALDI-TOF (MS). The results revealed that the bacterial isolates were mainly isolated from hepatopancrease (49.3 %) followed by GIT (32.87%) and then abdominal muscles (17.8 %). Vibrio species (V. alginolyticus and V. harveyi) could be isolated mainly during summer (33 isolates) (76.74%) followed by spring (23 isolates) (58.97%) then autumn (11isolates) (45.83%) and it was not recorded in winter. Shewanella algae showed higher incidence during winter (4 isolates) (16.7%) and summer (7 isolates) (16.3%) followed by spring (4 isolates) (10.26%) and it was not recorded in autumn. Also, S. putrefaciens showed higher incidence during winter (6 isolates) (25%) then in summer (3 isolates) (6.97%) but it was not recorded in autumn and spring. The most prevalent bacterium (V. alginolyticus) was identified by PCR targeting dnaJ (species-specific gene) and ToxR (virulence gene) which revealed that out of the 14 tested isolates (14 isolates) (100%) give positive bands for dnaJ gene and (10 isolates) (71.4%) gave positive bands for ToxR gene.

Key words: Bacterial pathogens. Vibrio alginolyticus. Shewanella.PCR. Marine Shrimp


 
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How to Cite this Article
Pubmed Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied. Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets. AJVS. 2016; 51(2): 129-136. doi:10.5455/ajvs.211355


Web Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied. Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets. https://www.alexjvs.com/?mno=211355 [Access: December 09, 2023]. doi:10.5455/ajvs.211355


AMA (American Medical Association) Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied. Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets. AJVS. 2016; 51(2): 129-136. doi:10.5455/ajvs.211355



Vancouver/ICMJE Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied. Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets. AJVS. (2016), [cited December 09, 2023]; 51(2): 129-136. doi:10.5455/ajvs.211355



Harvard Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied (2016) Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets. AJVS, 51 (2), 129-136. doi:10.5455/ajvs.211355



Turabian Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied. 2016. Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets. Alexandria Journal of Veterinary Sciences, 51 (2), 129-136. doi:10.5455/ajvs.211355



Chicago Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied. "Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets." Alexandria Journal of Veterinary Sciences 51 (2016), 129-136. doi:10.5455/ajvs.211355



MLA (The Modern Language Association) Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied. "Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets." Alexandria Journal of Veterinary Sciences 51.2 (2016), 129-136. Print. doi:10.5455/ajvs.211355



APA (American Psychological Association) Style

Fatma A. Sanhoury, Samy A. Khalil, Sawsan Kh.M. Ebied (2016) Studies on Some Bacteria Isolated from Marine Shrimp Retained in Alexandria Markets. Alexandria Journal of Veterinary Sciences, 51 (2), 129-136. doi:10.5455/ajvs.211355





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