Dataset Information

Sea snakes (Elapidae, Hydrophiinae) in their westernmost extent: an updated and illustrated checklist and key to the species in the Persian Gulf and Gulf of Oman.

ABSTRACT: The Persian Gulf is known as the westernmost distribution limit for sea snakes, except for Hydrophis platurus (Linnaeus, 1766) that reaches southeastern Africa. Previous identification guides for sea snakes of the Persian Gulf and its adjacent waters in the Gulf of Oman were based on old data and confined mostly to written descriptions. Therefore, a series of field surveys were carried out in 2013 and 2014 through Iranian coastal waters of both gulfs to provide a comprehensive sampling of sea snakes in the area. This paper presents an illustrated and updated checklist and identification tool for sea snakes in the Persian Gulf and Gulf of Oman, which are based on new material and a review of the literature. This checklist includes ten species of marine hydrophiines, of which one, Microcephalophis cantoris (Günther, 1864), is a new record for the area. All specimens examined herein are deposited and available at the Zoological Museum of Shahid Bahonar University of Kerman, Kerman province, Iran.

SUBMITTER: Rezaie-Atagholipour M

PROVIDER: S-EPMC5096412 | biostudies-other | 2016

REPOSITORIES: biostudies-other

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Sea snakes (Elapidae, Hydrophiinae) in their westernmost extent: an updated and illustrated checklist and key to the species in the Persian Gulf and Gulf of Oman.

Rezaie-Atagholipour Mohsen M Ghezellou Parviz P Hesni Majid Askari MA Dakhteh Seyyed Mohammad Hashem SM Ahmadian Hooman H Vidal Nicolas N

ZooKeys 20161006 622

The Persian Gulf is known as the westernmost distribution limit for sea snakes, except for <i>Hydrophis platurus</i> (Linnaeus, 1766) that reaches southeastern Africa. Previous identification guides for sea snakes of the Persian Gulf and its adjacent waters in the Gulf of Oman were based on old data and confined mostly to written descriptions. Therefore, a series of field surveys were carried out in 2013 and 2014 through Iranian coastal waters of both gulfs to provide a comprehensive sampling of ...[more]

PMID: 27843383

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Project description:Pharmaceutical companies worldwide are scrambling to develop new ways to combat cancer and microbiological pathogens. The goal of this research was to investigate the antibacterial, anticancer, and apoptosis effects of novel niosomal formulated Persian Gulf Sea cucumber extracts (SCEs). Sea cucumber methanolic extracts were prepared and encapsulated in niosome nanoparticles using thin-film hydration. The compound was made up of Span 60 and Tween 60 blended with cholesterol in a 3:3:4 M ratios. Characterization of niosome-encapsulated SCE evaluated by scanning electron microscopy and transmission electron microscopy. The disk diffusion method and microtiter plates were used to investigate the antimicrobial activity. The effect of niosome-encapsulated SCE on cell proliferation and apoptosis induction was studied using MTT and Annexin V, respectively. The expression of apoptosis-related genes, including Bax, Fas, Bax, Bak, and Bcl2, was studied using quantitative real-time PCR. Niosome-encapsulated SCE with a size of 80.46 ± 1.31 and an encapsulation efficiency of 79.18 ± 0.23 was formulated. At a concentration of 100 μg/ml, the greatest antimicrobial effect of the niosome-encapsulated SCE was correlated to Staphylococcus aureus, with an inhibition zone of 13.16 mm. The findings of the study revealed that all strains were unable to produce biofilms at a concentration of 100 μg/ml niosome-encapsulated SCE (p < 0.001). The survival rate of cancer cells after 72 h of exposure to niosome-encapsulated SCE was 40 ± 3.0%. Encapsulated SCE in niosomes inhibited cell progression in MCF-7 cells by increasing G0/G1 and decreasing S phase relative to G2/M phase; as a result, it activated the apoptosis signaling pathway and led to the induction of apoptosis in 69.12 ± 1.2% of tumor cells by increasing the expression of proapoptotic genes (p < 0.001). The results indicate that sea cucumber species from the Persian Gulf are a promising source of natural chemicals with antibacterial and anticancer properties, paving the path for novel marine natural products to be discovered. This is the first demonstration that niosome-encapsulated SCE contains antibacterial and anticancer chemicals that, according to their specific characteristics, boost antitumor activity.

Dataset Information

Sea snakes (Elapidae, Hydrophiinae) in their westernmost extent: an updated and illustrated checklist and key to the species in the Persian Gulf and Gulf of Oman.

Publications

Sea snakes (Elapidae, Hydrophiinae) in their westernmost extent: an updated and illustrated checklist and key to the species in the Persian Gulf and Gulf of Oman.

Similar Datasets

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