Eco-physiological adaptation of the land snail Achatina achatina (Gastropoda: Pulmonata) in tropical agro-ecosystem

Chukwuka, Christian O.; Ejere, Vincent Chikwendu; Asogwa, Chinweike Norman; Nnamonu, Emmanuel Ikechukwu; Okeke, Ogochukwu Caroline; Odii, Elijah I.; Ugwu, Godwin C.; Okanya, Loretta C.; Levi, Chidinma A.

doi:10.1016/j.jobaz.2014.06.001

Cited by 15 publications

(10 citation statements)

References 32 publications

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“…Gastropods have successfully occupied all marine and freshwater habitats and are the only group of molluscs to have invaded the land. They have been the subject of paleobiological and numerous other ecological, evolutionary, physiological, and behavioural studies [ 1 , 2 ]. Their undisputed variety of morphology, structure, and habits, augmented by their utility to humans throughout history as a source of food, ornaments, tools, and even pets, has made the members of the gastropod community valuable for research investigations [ 3 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

Transcriptomic Analysis of the Endangered Neritid Species Clithon retropictus: De Novo Assembly, Functional Annotation, and Marker Discovery

Park

Patnaik²,

Kang

et al. 2016

Genes

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An aquatic gastropod belonging to the family Neritidae, Clithon retropictus is listed as an endangered class II species in South Korea. The lack of information on its genomic background limits the ability to obtain functional data resources and inhibits informed conservation planning for this species. In the present study, the transcriptomic sequencing and de novo assembly of C. retropictus generated a total of 241,696,750 high-quality reads. These assembled to 282,838 unigenes with mean and N50 lengths of 736.9 and 1201 base pairs, respectively. Of these, 125,616 unigenes were subjected to annotation analysis with known proteins in Protostome DB, COG, GO, and KEGG protein databases (BLASTX; E ≤ 0.00001) and with known nucleotides in the Unigene database (BLASTN; E ≤ 0.00001). The GO analysis indicated that cellular process, cell, and catalytic activity are the predominant GO terms in the biological process, cellular component, and molecular function categories, respectively. In addition, 2093 unigenes were distributed in 107 different KEGG pathways. Furthermore, 49,280 simple sequence repeats were identified in the unigenes (>1 kilobase sequences). This is the first report on the identification of transcriptomic and microsatellite resources for C. retropictus, which opens up the possibility of exploring traits related to the adaptation and acclimatization of this species.

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Section: Introductionmentioning

confidence: 99%

Transcriptomic Analysis of the Endangered Neritid Species Clithon retropictus: De Novo Assembly, Functional Annotation, and Marker Discovery

Park

Patnaik²,

Kang

et al. 2016

Genes

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“…areolata . Patella vulgate 58 , Achatina achatina 59 and some other gastropods were also investigated.…”

Section: Discussionmentioning

confidence: 99%

Proteomics Studies on the three Larval Stages of Development and Metamorphosis of Babylonia areolata

Shen

et al. 2018

Sci Rep

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The ivory shell, Babylonia areolata, is a commercially important aquaculture species in the southeast coast of mainland China. The middle veliger stage, later veliger stage, and juvenile stage are distinct larval stages in B. areolata development. In this study, we used label-free quantification proteomics analysis of the three developmental stages of B. areolata. We identified a total of 5,583 proteins, of which 1,419 proteins expression level showed significant differential expression. The results of gene ontology enrichment analysis showed that the number of proteins involved in metabolic and cellular processes were the most abundant. Those proteins mostly had functions such as binding, catalytic activity and transporter activity. The results of Kyoto Encyclopedia of Genes and Genomes enrichment analysis showed that the number of proteins involved in the ribosome, carbon metabolism, and lysosome pathways were the most abundant, indicating that protein synthesis and the immune response were active during the three stages of development. This is the first study to use proteomics and real-time PCR to study the early developmental stages of B. areolata, which could provide relevant data on gastropod development. Our results provide insights into the novel aspects of protein function in shell formation, body torsion, changes in feeding habits, attachment and metamorphosis, immune-related activities in B. areolata larvae.

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“…Majority of people interviewed have for region of origin the south-west. Indeed, this result justifies the consumption of snails being important in the study population since south-west region where Fako division belongs is a humid forest with monomodal rainfall which offers favorable climatic conditions for the reproduction and development of land snails (Cobbinah and Vink, 2008;Chukwuka et al, 2014). In addition, tribes of the…”

Section: Departmentmentioning

confidence: 79%

“…As of Muslim who said not to eat snail meat, there is also no religious law that prohibits them to eat snail. Besides, the majority of Muslims in Cameroon are from the Sudano-Sahelian area (Institut National de la Statistique, 2015) and the climatic conditions are not favorable to the reproduction and the survival of the terrestrial snails (Cobbinah and Vink, 2008;Chukwuka et al, 2014). As a result, they do not consume snails because they have not been in contact with it culturally as people origin from the South.…”

Section: Discussionmentioning

confidence: 99%

“…Indeed, there are still very few snail farms and snails are still supplied by harvesting in the fields and around houses (Ngenwi et al, 2010;Ndah et al, 2017). In addition, snails hibernate during the dry season and become rare (Chukwuka et al, 2014). Consequently, snail meat price's increases during dry season and less important will be their consumption because of the price increase.…”

Section: Discussionmentioning

confidence: 99%

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Socio-economic perception of snail meat consumption in Fako division, south-west region Cameroon

Christian¹,

Annick²,

Bella³

et al. 2019

Int. J. Livest. Prod.

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Cameroon southwest region offers favorable climatic conditions for survival of land snails whose meat is known for their nutritional benefits. Besides, conventional livestock (beef, chicken, etc.) cannot satisfy the high demand in Cameroon. Hence, snail meat could be suitable alternative source of protein. Therefore, this article investigated the perception and identified the main determinants of land snail meat consumption in the Fako division (south-west region Cameroon). A multistage random sampling method was used to select a total of 211 respondents. Descriptive statistics has highlighted that snail meat is quite consumed in Fako with 76.30% of respondents. Majority of respondents where Christians (95.26%) and have their origin from southwest region (56.40%). Additionally, regression analysis has pointed out that snail meat consumption depends on marital status, household size, income, snail origin and religion. The amount of snail meat consumed was shown to be influenced by its price and price variation between seasons. At the end of this study, two recommendations were made: snail farming should be increased in order to reduce scarcity of snail during dry season as well as its price and educate the people coming from other region of Cameroon on the nutritional benefits of snail meat.

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Eco-physiological adaptation of the land snail Achatina achatina (Gastropoda: Pulmonata) in tropical agro-ecosystem

Cited by 15 publications

References 32 publications

Transcriptomic Analysis of the Endangered Neritid Species Clithon retropictus: De Novo Assembly, Functional Annotation, and Marker Discovery

Transcriptomic Analysis of the Endangered Neritid Species Clithon retropictus: De Novo Assembly, Functional Annotation, and Marker Discovery

Proteomics Studies on the three Larval Stages of Development and Metamorphosis of Babylonia areolata

Socio-economic perception of snail meat consumption in Fako division, south-west region Cameroon

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