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Molecular insights into septin 2 protein in rohu (Labeo rohita): revealing expression dynamics, antimicrobial activity and functional characteristics.
Int J Biol Macromol
December 2024
National Referral Laboratory for Freshwater Fish Diseases, Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture (CIFA), Kausalyaganga, Bhubaneswar 751002, India. Electronic address:
Article Synopsis
- Septins are GTP-binding proteins important for immune response, but not fully studied in fish.
- The research involved cloning the septin 2 cDNA from rohu carp, revealing high similarity to a related fish species and showing its presence in various tissues.
- The septin 2 gene was found to be upregulated in response to infections, and the produced recombinant protein provided protection against infections, suggesting its potential as a key player in fish antimicrobial defense.
Quantification of high molecular weight organic carbon concentrations with LC-OCD and PHMOC for biological stability investigation of drinking water produced from surface water.
Water Res
March 2025
Evides Water Company, PO Box 4472, Rotterdam 3006 AL, the Netherlands.
The presence of aquatic biopolymeric organic carbon of high (> 10 - 20 kDa) molecular weight (high-MW OC) in drinking water produced from surface water affects its biological stability which may cause regrowth in disinfectant-free distribution. This study compares two analytical methods for determining the concentration of aquatic high-MW OC, namely LC-OCD (liquid chromatography - organic carbon detection) and PHMOC (particulate and colloidal high-molecular weight OC). LC-OCD entails prefiltration of the water sample, chromatographical separation of the relevant biopolymer (BP) OC-fraction, and in-line OC detection.
View Article and Find Full Text PDFMolecular cloning and functional characterization of Caspase-8 in goldfish (Carassius auratus L.).
Fish Shellfish Immunol
December 2024
School of Marine Sciences, Ningbo University, China, Ningbo, Zhejiang, 315211, China; Key Laboratory of Aquacultural Biotechnology, Ministry of Education, Ningbo University, Ningbo, Zhejiang, 315211, China; Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, Ningbo University, Ningbo, Zhejiang, 315211, China. Electronic address:
Apoptosis, a form of programmed cell death, is essential for maintaining homeostasis within the internal environment. Caspase-8, an initiator caspase, plays a pivotal role in activating the caspase cascade during the apoptotic process. This study cloned and expressed Caspase-8 from goldfish, aimed to investigate the role of Caspase-8 in the immune response of fish to bacterial infections, specifically those caused by Aeromonas hydrophila.
View Article and Find Full Text PDFContributions of hemolytic proteins in virulent Aeromonas hydrophila to motile Aeromonas septicemia disease of channel catfish (Ictalurus punctatus).
FEMS Microbiol Lett
January 2025
Aquatic Animal Health Research Unit, USDA-ARS, 990 Wire Road, Auburn, AL 36832, United States.
Hemolytic proteins are a major group of virulence factors in pathogenic Aeromonas hydrophila. Six genes encoding presumable hemolytic proteins were revealed from the genome of virulent A. hydrophila (vAh) that caused severe disease in channel catfish.
View Article and Find Full Text PDFToll-like receptor 21 in Labeo rohita recognizes double-stranded RNA and lipopolysaccharides by engaging the critical motifs in the LRR domain and gets activated against bacterial assaults.
Biochem Biophys Res Commun
December 2024
Immunology Laboratory, Fish Health Management Division (FHMD), ICAR-Central Institute of Freshwater Aquaculture (ICAR-CIFA), Kausalyaganga, Bhubaneswar, Odisha, 751002, India. Electronic address:
TLR (Toll-like receptor)-21 is a non-mammalian TLR and exhibits a unique function within the innate immune systems of fishes, birds, and amphibians. Despite its important role as PRR (pattern recognition receptor), research on TLR21 in many fish species, as well as in rohu (Labeo rohita), remains relatively limited. This article describes the molecular cloning of LrTLR21 (TLR21 in L.
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