Behavior of Biomphalaria glabrata Say, 1818 (Gastropoda: Planorbidae): I. Morphophysiology of the Mantle Cavity

Jurberg, Pedro; Cunha, Rodolfo Armando da; Rodrigues, Marcelo Cavalcanti

doi:10.1590/s0074-02761997000200026

Cited by 10 publications

(5 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Exchange could take place at two main sites: the mantle cavity and the gut. The mantle cavity is likely involved in gas exchange between the hemolymph and the water (Jurberg et al ., 1997). Pinocytosis at the mantle epithelium and loose vascular connective under it (Sullivan and Cheng, 1974) could promote active or passive acquisition of microorganisms.…”

Section: Discussionmentioning

confidence: 99%

The hemolymph of Biomphalaria snail vectors of schistosomiasis supports a diverse microbiome

Chevalier

Diaz

McDew-White

et al. 2020

Environmental Microbiology

View full text Add to dashboard Cite

The microbiome-the microorganism community that is found on or within an organism's body-is increasingly recognized to shape many aspects of its host biology and is a key determinant of health and disease. Microbiomes modulate the capacity of insect disease vectors (mosquitoes, tsetse flies, sandflies) to transmit parasites and disease. We investigate the diversity and abundance of microorganisms within the hemolymph (i.e. blood) of Biomphalaria snails, the intermediate host for Schistosoma mansoni, using Illumina MiSeq sequencing of the bacterial 16S V4 rDNA. We sampled hemolymph from five snails from six different laboratory populations of B. glabrata and one population of B. alexandrina. We observed 279.84 ± 0.79 amplicon sequence variants per snail. There were significant differences in microbiome composition at the level of individual snails, snail populations and species. Snail microbiomes were dominated by Proteobacteria and Bacteroidetes while water microbiomes from snail tank were dominated by Actinobacteria. We investigated the absolute bacterial load using qPCR: hemolymph samples contained 2784 ± 339 bacteria/μl. We speculate that the microbiome may represent a critical, but unexplored intermediary in the snail-schistosome interaction as hemolymph is in very close contact with the parasite at each step of its development.

show abstract

Section: Discussionmentioning

confidence: 99%

The hemolymph of Biomphalaria snail vectors of schistosomiasis supports a diverse microbiome

Chevalier

Diaz

McDew-White

et al. 2020

Environmental Microbiology

View full text Add to dashboard Cite

show abstract

“…Exchange could takes place at two main sites: the mantle cavity and the gut. The mantle cavity is likely involved in gas exchange between the hemolymph and the water [37]. The structure of this cavity is designed to maintain a continuous water flow with an extensive surface of exchange.…”

Section: Discussionmentioning

confidence: 99%

The hemolymph ofBiomphalariasnail vectors of schistosomiasis supports a diverse microbiome

Chevalier

Diaz

McDew-White

et al. 2020

Preprint

View full text Add to dashboard Cite

The microbiome – the microorganism community that is found on or within an organism’s body – is increasingly recognized to shape many aspects of its host biology and is a key determinant of health and disease. Microbiomes modulate the capacity of insect disease vectors (mosquitos, tsetse flies, sandflies) to transmit parasites and disease. We investigate the diversity and abundance of microorganisms within the hemolymph (i.e. blood) of Biomphalaria snails, the intermediate host for Schistosoma mansoni, using Illumina MiSeq sequencing of the bacterial 16S V4 rDNA. We sampled hemolymph from 5 snails from 6 different laboratory populations of B. glabrata and one population of B. alexandrina. We observed 281.34 ± 0.81 amplicon sequence variants (ASVs) per snail. There were significant differences in microbiome composition at the level of individual snails, snail populations and species. Snail microbiomes were dominated by Proteobacteria and Bacteroidetes while water microbiomes from snail tank were dominated by Actinobacteria. We investigated the absolute bacterial load using qPCR: hemolymph samples contained 2,620 ± 321 bacteria per μL. We speculate that the microbiome may represent a critical, but unexplored intermediary in the snail-schistosome interaction as hemolymph is in very close contact to the parasite at each step of its development.

show abstract

“…Changes in the locomotory activity of B. glabrata infected with S. mansoni have been studied by several authors, including its movement in relation to various stimuli, such as light, depth and the use of molluscicides (Jurberg et al, 1987(Jurberg et al, , 1988(Jurberg et al, , 1995Pieri and Jurberg, 1981;Sarquis et al, 1998). Boissier et al (2003) reported that uninfected snails moved greater distances at faster rates and with shorter rest periods in comparison with infected snails.…”

Section: Introductionmentioning

confidence: 99%

Changes in the locomotory and reproductive behavior of Biomphalaria glabrata infected with Schistosoma mansoni

Alberto-Silva

Santos

et al. 2015

Experimental Parasitology

View full text Add to dashboard Cite

The infection and development of a parasite may cause physiological, morphological and behavioral changes in its host. Changes in the locomotory activity of a host induced by their parasites may also influence the life-cycles of both host and parasite in the environment. The aim of the present work was to evaluate the locomotory activities of Biomphalaria glabrata before and after an experimental infection with Schistosoma mansoni relating to the shedding of cercaria. In addition, the reproductive parameters of infected B. glabrata were analyzed during the prepatent and patent periods of the infection. The locomotory activity was recorded using an image analysis biomonitoring system based on a Videomex V. Five parameters were analyzed: 'Distance traveled', 'Ambulatory time', 'Stereotypic time', 'Resting time' and 'Average speed'. The number of shed cercariae was counted twice at 45 and 52 days post-infection. The reproductive parameters of infected B. glabrata analyzed were the numbers of egg masses, eggs and hatched snails. All statistical analyses were performed using the R program. Of the 69 snails infected with S. mansoni, 33 (47.8%) shed cercariae ('positive') and 36 (52.2%) ('exposed') failed to exhibit any cercarial shedding prior to the end of the experiment. The locomotory activity of the all snails increased significantly after infection with S. mansoni. However, when the 'positive' and 'exposed' snails were compared, the former, shedding cercariae, were less motile. With regard to reproduction, 84.8% (28/33) of the 'positive' and 27.7% (10/36) of the 'exposed' snails failed to lay egg masses during patent period. The number of cercariae individually shed by each 'positive' snail presented a positive relation with 'Stereotypic time' and a negative relation with egg laying. Our findingshighlight the way in which infection with S. mansoni affects the locomotory and the reproductive behavior of B. glabrata. The number of cercariae shed is directly associated with the reduction/interruption in egg-laying and with an increase in random movement.

show abstract

Behavior of Biomphalaria glabrata Say, 1818 (Gastropoda: Planorbidae): I. Morphophysiology of the Mantle Cavity

Cited by 10 publications

References 12 publications

The hemolymph of Biomphalaria snail vectors of schistosomiasis supports a diverse microbiome

The hemolymph of Biomphalaria snail vectors of schistosomiasis supports a diverse microbiome

The hemolymph ofBiomphalariasnail vectors of schistosomiasis supports a diverse microbiome

Changes in the locomotory and reproductive behavior of Biomphalaria glabrata infected with Schistosoma mansoni

Contact Info

Product

Resources

About