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USE OF FISH EPIDERMAL MUCUS AS AN ANTIMICROBIAL AGENT– A REVIEW |  UTTAR PRADESH JOURNAL OF ZOOLOGY

The epidermal mucus layer on fish skin contains numerous antimicrobial compounds that serve as a first line of defence against invasive infections from the surrounding environment. Antimicrobial peptides (AMPs), lysozyme, lectins, complement, transferrin, interferon, pentraxins, natural antibodies, protease, and other components found in mucus enable innate immunity. Many AMPs have been found in fish, including hepcidins, defensins, cathelicidins, histone-derived peptides, and piscidins, all of which have an antibacterial range. Because of their broad spectrum of antimicrobial activity and mode of action that differs from that of small-molecule antibiotics, antimicrobial peptides are extremely appealing possibilities for therapeutic medicines. This paper covers the possible use of mucus as an antibacterial agent in vivo.

Please see the link :- http://mbimph.com/index.php/UPJOZ/article/view/2515


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HISTOPATHOLOGICAL EFFECT OF PESTICIDE PROFENOFOS ON THE SKIN OF AIR BREATHING TELEOST Channa gachua | UTTAR PRADESH JOURNAL OF ZOOLOGY

The effect of pesticide profenofos (organophosphate), on the skin of air breathing fish Channa gachua were studied. The histopathological alteration in the skin have been observed in Laboratory Condition after exposing to sub-lethal concentration of Profenofos (0.06 ppm) during different time period (10 days, 15 days and 20 days). The gross pathological changes after profenofos exposed includes:- The epithelial cells start separating, dermal tissues disorganised. The thickness of skin decreased, reduction in number and size of epidermal cells also occur. On the basis of the above finding it is concluded that widely used profenofos in agriculture has produced significant effects on skin of air breathing fish Channa gachua.

Please see the link :- https://mbimph.com/index.php/UPJOZ/article/view/1691

HISTOPATHOLOGICAL EFFECT OF PESTICIDE PROFENOFOS ON THE SKIN OF AIR BREATHING TELEOST Channa gachua | UTTAR PRADESH JOURNAL OF ZOOLOGY

The effect of pesticide profenofos (organophosphate), on the skin of air breathing fish Channa gachua were studied. The histopathological alteration in the skin have been observed in Laboratory Condition after exposing to sub-lethal concentration of Profenofos (0.06 ppm) during different time period (10 days, 15 days and 20 days). The gross pathological changes after profenofos exposed includes:- The epithelial cells start separating, dermal tissues disorganised. The thickness of skin decreased, reduction in number and size of epidermal cells also occur. On the basis of the above finding it is concluded that widely used profenofos in agriculture has produced significant effects on skin of air breathing fish Channa gachua.

Please see the link :-  https://mbimph.com/index.php/UPJOZ/article/view/1691

ULTRASTRUCTURE OF THE SKIN OF THE TREE FROG Polypedates leucomystax

Amphibians live in varied habitats. This fact probably explains the great morphofunctional diversity in their skins. Although the integument is the structural and functional interface between the organism and its environment, the morphological and complexity of amphibian skin is not fully understand. There is practically no information on the integument of the tree frog Polypedates leucomystax found in Cherrapunjee.  Therefore, ultrastructure of the skin of the adult frog of Polypedates leucomystax was studied during the breeding phase with the help of transmission electron microscopy. Adult males and females of Polypedated leucomystax were collected from the study sites at Cherrapunjee. The epidermis consisted of four layers namely, stratum corneum, stratum granulosum, stratum spinosum and stratum germinativum. Desmosomes, ribosomes, tonofilaments, golgi bodies, vacuoles and collagen fibres were observed in the epidermal cells.  The basement membrane composed of collagenous fibres separated the epidermis from the dermis. Pigment cells like pterinosomes, melanophores and iridophores were abserved and these pigment cells may work together to determine the varied skin colouration and patterns displayed in Polypedates leucomystax and may have important roles in adapting this frog to its environment.

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