Cited by 96Aquaculture disease management and microbiotaCrustacean biology and ecologyVector-borne infectious diseases

The DOI matches its Crossref record; 16 of the 18 references it cites were found in a registry or an index.

Rickettsia-like organism associated with tremor disease and mortality of the Chinese mitten crab Eriocheir sinensis

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Wang, W, Gu, Z·2002·Diseases of Aquatic Organisms

Abstract

We report the discovery of a rickettsia-like organism (RLO) in cultured freshwater Chinese mitten crab Eriocheir sinensis. The RLO caused tremor disease and was apparently responsible for a mass mortality (30 to 90%) in 2 provinces in southeast China. Moribund crabs were investigated from different districts during outbreaks in 1999 and 2000. With electron microscopy, 3 different pathogens were detected in moribund crabs: a rickettsia-like organism (RLO), virus-like particles (VLP) and a microsporidian-like protozoan (MLP). Based on the high prevalence, infection intensity and cytopathological signs, the RLO was considered to be the probable cause of the high mortality. Both VLP and MLP occurred at low prevalences and were considered secondary infections. The RLO was 0.22 to 0.35 microm in diameter, granular or clavate, bounded by a cell wall and membrane, and possessed no nucleus but a nucleoid was present. When dividing, RLOs occurred in irregular shapes, such as dumbbells, awls, and crescents. The RLOs exhibited a predilection for muscle and connective tissues and were probably transported to various tissues and organs by hemocytes.

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Research works printed but not linked: 2

  1. Du ZM (1998) Practical techniques for histology, 2nd edn. Peoples Hygienic Press, Beijing, p 94-98 (in Chinese)
  2. Wen BH (1999) Ehrlichia and ehrlichiosis. In: Yu SR, Chen XR (eds) Rickettsiae and rickettiosis. Military Medical Sci- ences Press, Beijing, p 142-150 (in Chinese)

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Metadata

Authors
Wang, W., & Gu, Z.
Affiliations
Nanjing Normal University (CN)
Corresponding author
Wang, W
Venue
Diseases of Aquatic Organisms
Published
2002
Volume
48
Issue
2
Pages
149-153
ISSN
  • 0177-5103 (ISSN-L)
  • 1616-1580
OpenAlex
W2056627404
Cited by
96
References
18
Citations by year
2026: 2 · 2025: 2 · 2024: 6 · 2023: 3 · 2022: 4 · 2021: 2 · 2020: 3 · 2019: 6 · 2018: 9 · 2017: 7 · 2016: 3 · 2015: 2 · 2014: 2 · 2013: 6 · 2012: 4
FWCI
1.10
Type
journal article
Language
en
Open access
Locations
  • Diseases of Aquatic Organisms (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Government of Jiangsu Province
  • Three-Side Innovation Projects for Aquaculture in Jiangsu Province
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Aquaculture disease management and microbiota
  • Physical Sciences › Environmental Science › Ecology › Crustacean biology and ecology
  • Life Sciences › Immunology and Microbiology › Parasitology › Vector-borne infectious diseases
Keywords
Rickettsia-like organisms, Chinese mitten crab, mass mortality, virus-like particles, secondary infection, cytopathology, hemocytes, crustacean pathogens
MeSH terms
Animals, China, Brachyura, Mortality, Muscles, Rickettsia, Prevalence, Microscopy, Electron, Scanning Transmission

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