Morphological characterization of the haemocytes of the ivory snail,<i>Babylonia areolata</i>(Neogastropoda: Buccinidae)

Di, Guilan; Zhang, Z.X.; Ke, Caihuan; Guo, J.R.; Xue, Mei; Ni, Jianbin; Wang, D.X.

doi:10.1017/s0025315410002171

Cited by 11 publications

(3 citation statements)

References 47 publications

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“…Thus, haemocyte density in O. hupensis was independent of snail size, and this finding is in agreement with that of Di et al (2011) in the ivory snail (Babylonia areolata) where haemocyte density did not increase with increase in shell length. It is possible that haemocyte density may be controlled by some other factors, such as temperature, quantity and quality of food, and the snail's activity in the environment.…”

Section: Discussionsupporting

confidence: 87%

Morphological and structural characterization of haemocytes ofOncomelania hupensis(Gastropoda: Pomatiopsidae)

Pengsakul

Suleiman

Cheng

2013

Italian Journal of Zoology

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Oncomelania hupensis, an intermediate host of Schistosoma japonicum, remains an important public health problem. Haemocytes play an important role in an innate immunity defense system of O. hupensis and require more research. The present study provides information concerning the morphological and functional basis of defense cells of O. hupensis observed through optical microscopy and electron microscopy [scanning electron microscopy (SEM) and transmission electron microscopy (TEM)]. In this study, two types of haemocyte cell categories, type I (macrophage-like) and type II (lymphocyte-like), were distinguished according to shape, size, surface structure, internal structure, functions, structure of cytoplasm and the processes of spike-like filopodia. The results showed that type II cells generally were smaller than type I cells. In addition, only type I cells had the ability to adhere to sheep red blood cells (SRBC) after 60 minutes of incubation. The adherence to SRBC of type I cells represents adhesion activity of these cells to foreign particles or parasites. These results warrant further investigation to better understand the function of O. hupensis haemocytes. The present study confirms several previous findings concerning haemocytes of O. hupensis and opens the door for further research into the function and structure of O. hupensis haemocytes.

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Section: Discussionsupporting

confidence: 87%

Morphological and structural characterization of haemocytes ofOncomelania hupensis(Gastropoda: Pomatiopsidae)

Pengsakul

Suleiman

Cheng

2013

Italian Journal of Zoology

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“…Mammals’ phagocytic killing mechanisms have been extensively investigated ( 12 ), but these mechanisms in gastropods are still not well understood. Phagocytosis in gastropods has been documented in the caenogastropod Viviparus , the pulmonate gastropods Lymnaea stagnailis , Biomphalaria glabrata , Cerithidea californica , the marine gastropods H. discus hannai , Haliotis asinine , Haliotis tuberculata , Littorina littorea , and ivory shell Babylonia areolata ( 13 , 14 ). Nevertheless, the majority of research has focused on the morphological traits and immune capabilities of haemocytes; hence, functional assessments and characterisation of phagocytosis in gastropod haemocytes are still missing.…”

Section: Introductionmentioning

confidence: 99%

Morphologic, cytometric, quantitative transcriptomic and functional characterisation provide insights into the haemocyte immune responses of Pacific abalone (Haliotis discus hannai)

Ma,

Wu,

Zhang

et al. 2024

Front. Immunol.

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In recent years, the abalone aquaculture industry has been threatened by the bacterial pathogens. The immune responses mechanisms underlying the phagocytosis of haemocytes remain unclear in Haliotis discus hannai. It is necessary to investigate the immune mechanism in response to these bacterial pathogens challenges. In this study, the phagocytic activities of haemocytes in H. discus hannai were examined by flow cytometry combined with electron microscopy and transcriptomic analyses. The results of Vibrio parahaemolyticus, Vibrio alginolyticus and Staphylococcus aureu challenge using electron microscopy showed a process during phagosome formation in haemocytes. The phagocytic rate (PP) of S. aureus was higher than the other five foreign particles, which was about 63%. The PP of Vibrio harveyi was about 43%, the PP peak of V. alginolyticus in haemocyte was 63.7% at 1.5 h. After V. parahaemolyticus and V. alginolyticus challenge, acid phosphatase, alkaline phosphatase, total superoxide dismutase, lysozyme, total antioxidant capacity, catalase, nitric oxide synthase and glutathione peroxidase activities in haemocytes were measured at different times, differentially expressed genes (DEGs) were identified by quantitative transcriptomic analysis. The identified DEGs after V. parahaemolyticus challenge included haemagglutinin/amebocyte aggregation factor-like, supervillin-like isoform X4, calmodulin-like and kyphoscoliosis peptidase-like; the identified DEGs after V. alginolyticus challenge included interleukin-6 receptor subunit beta-like, protein turtle homolog B-like, rho GTPase-activating protein 6-like isoform X2, leukocyte surface antigen CD53-like, calponin-1-like, calmodulin-like, troponin C, troponin I-like isoform X4, troponin T-like isoform X18, tumor necrosis factor ligand superfamily member 10-like, rho-related protein racA-like and haemagglutinin/amebocyte aggregation factor-like. Some immune-related KEGG pathways were significantly up-regulated or down-regulated after challenge, including thyroid hormone synthesis, Th17 cell differentiation signalling pathway, focal adhesion, melanogenesis, leukocyte transendothelial migration, inflammatory mediator regulation of TRP channels, ras signalling pathway, rap1 signalling pathway. This study is the first step towards understanding the H. discus hannai immune system by adapting several tools to gastropods and providing a first detailed morpho-functional study of their haemocytes.

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“…The Ivory Shell, Babylonia areolata , is a commercially important mariculture species in southern China and Southeast Asia. Given its rich nutritional content, fast growth and delicious taste, B. areolata has been identified as one of the most important marine gastropods for human consumption (Di et al., 2011, 2013; Fu et al., 2017; Lü et al., 2016). To solve the decline in quality and the absence of good brood stock, the aquaculture industry of Babylonia areolata in China has been successfully established in Guangdong and Hainan provinces since 2000 (Liang et al., 2005; Luo et al., 2004).…”

Section: Introductionmentioning

confidence: 99%

Spermatozoan morphology of the snails Babylonia lutosa , Babylonia areolata from parental lines of populations in Hainan and Thailand and hybrid lines

Wang

Shen

et al. 2020

Aquac. Res.

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Sperm morphology provides an abundant source of potentially informative characters for gastropod taxonomy. In the present study, this character was used to offer additional information concerning the genus Babylonia (Mollusca, Gastropoda), the most promising economic marine gastropods of the present century. Light and transmission electron microscopy was used to study the ultrastructure of spermatozoa in five groups of Babylonia, including B. areolata populations from Hainan, China, from Thailand, and the reciprocal hybrid offspring of these two populations and B. lutosa. Principal component analysis was conducted to examine morphological differences of spermatozoa. The results showed that morphology can contribute to the classification of the two species B. areolata and B. lutosa. The reciprocal hybrid offspring of the two B. areolata varieties exhibited ultrastructure of spermatozoa similar to that of their male parents, and each showed greater similarity to the male parent in the fine structural details. This study aimed to compare the ultrastructure of sperm in five groups of Babylonia and to compare the differences between the parents and the hybrids to provide basic information for genetic studies of Babylonia.

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Morphological characterization of the haemocytes of the ivory snail,Babylonia areolata(Neogastropoda: Buccinidae)

Cited by 11 publications

References 47 publications

Morphological and structural characterization of haemocytes ofOncomelania hupensis(Gastropoda: Pomatiopsidae)

Morphological and structural characterization of haemocytes ofOncomelania hupensis(Gastropoda: Pomatiopsidae)

Morphologic, cytometric, quantitative transcriptomic and functional characterisation provide insights into the haemocyte immune responses of Pacific abalone (Haliotis discus hannai)

Spermatozoan morphology of the snails Babylonia lutosa , Babylonia areolata from parental lines of populations in Hainan and Thailand and hybrid lines

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