Vibriosis in Cultured Seahorse(Hippocampus spp.) in Khanh Hoa Province, Vietnam

Captive breeding of seahorses (Hippocampus barbouri) which is a follow-up of their activities in the exploitation of natural large - scale does not escape from the problems of the disease. Gills and kidneys are the main target of the inspection. Wet mount is one way of checking the disease. This study aims to look at other forms of bacteria isolated from the gills and kidney seahorse (H. barbouri) morphologically. Media used are media Zobell Marine Agar (ZMA) and Thiosulphate Citrate Bile Salts Sucrose Agar (TCBSA) then be isolated bacteria with a pillowcase technique spread to see koloi dominant bacteria. more dominant bacteria grow dimurinikan back with scratch method (streak). The result of five isolates (isolates A, B, C, D and E) were predominantly found growing on media ZMA, two isolates (isolates B and C) not found growing on media TCBSA. Overall bacteria in media and TCBSA ZMA has the form round colonies and smooth-edged. TCBSA media can not be found on the bacterial colonies that fluoresce.

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Isolation of Bacteria From Seahorse (Hippocampus barbouri)

Ahmad

Anshary

Sriwulan

2023

JISA

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Genome rearrangements, male pregnancy and immunological tolerance – the curious case of the syngnathid immune system

Parker

Dubin²,

Roth³

2023

Front. Mar. Sci.

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The syngnathid fish group (seahorses, pipefishes and seadragons) is a fascinating lineage associated with an array of evolutionary peculiarities that include diverse morphologies and their unique male pregnancy. These oddities also extend to their immune systems, with a growing body of research highlighting a range of intriguing immunological characteristics and genomic rearrangements, which pose questions regarding their evolutionary history and immune strategies. The functional loss of the major histocompatibility complex class II pathway (MHC II) in the Syngnathus genus and related pathway components in the seahorse (Hippocampus) were two discoveries that initially piqued interest. This sparked discussions concerning immune capabilities, possible facilitative roles in advanced male pregnancy evolution through means of evoking immunological tolerance, as well as a general re-evaluation of how we interpret vertebrate immunological plasticity. Experimental approaches have attempted to clarify further the impact of immune repertoire loss on the efficacy of the syngnathid immune response, specificities regarding the pathways in play during pregnancy as well as the concept of immunological inheritance. The first characterization of the immune cell repertoire of Syngnathus typhle using scRNA-seq represents the latest step to understanding the immune dynamics of these enigmatic fish. This report serves as a review for the immunological insights into the fascinating syngnathid fish group; encompassing their evolutionary history, immune cell populations, links to male pregnancy, and sex specificity, in addition to highlighting future research opportunities in need of investigation.

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Vibriosis in Cultured Seahorse(Hippocampus spp.) in Khanh Hoa Province, Vietnam

Cited by 2 publications

References 16 publications

Isolation of Bacteria From Seahorse (Hippocampus barbouri)

Isolation of Bacteria From Seahorse (Hippocampus barbouri)

Genome rearrangements, male pregnancy and immunological tolerance – the curious case of the syngnathid immune system

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