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  • 1
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    Online Resource
    The inhibitory effects of disinfectants against Aeromonas salmonicida at low temperatures
    SAABRON PRESS ; 2021
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 73 ( 2021-3-2)
    Details
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 73 ( 2021-3-2)
    Abstract: Aeromonas salmonicida is a fish pathogen that has resulted in significant losses to the aquaculture industry worldwide. In the winter of 2018/2019, a serious outbreak of A. salmonicida infection of grass carp (Ctenopharyngodon idella) occurred in China. Since C. idella do not feed at low water temperatures, antibiotics cannot be delivered orally, thus the use of disinfectants is the only viable option to control the disease in the winter months. Therefore, the aim of this study was to elucidate the inhibitory effects of different disinfectants against A. salmonicida at various temperatures and pH values. The microdilution method was used to determine the minimum inhibitory concentration (MIC) of five disinfectants against A. salmonicida at different temperatures. The results showed that A. salmonicida was highly adaptable to temperatures ranging from 8 to 35 °C and pH values from 5 to 9. Moreover, based on the results, benzalkonium bromide (BB) had the strongest inhibitory effect at every temperature. Since A. salmonicida has strong environment adaptability, BB should be chosen to control the disease at low temperatures.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    URL: Article
    DOI: 10.46989/001c.21355
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2021
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
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  • 2
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    Online Resource
    Hydroperoxyditerpenoids from Octocorals
    Wiley ; 2019
    In:  Israel Journal of Chemistry Vol. 59, No. 5 ( 2019-05), p. 403-413
    Details
    In: Israel Journal of Chemistry, Wiley, Vol. 59, No. 5 ( 2019-05), p. 403-413
    Abstract: The structures, names, bioactivities, and references of 75 marine diterpenoids from octocorals possessing a hydroperoxy group, including 46 cembranes, 8 eunicellins, 5 briaranes, 5 dolabellanes, 4 germacranes, 3 xenicins, 2 caryophyllanes, 1 decalin, and 1 pseudopterosin, are summarized in this review article. All the hydroperoxyditerpenoids mentioned in this review were isolated from octocorals from Alcyonacea (Briareum excavatum, Briareum polyanthes, Briareum violaceum, Briareum sp., Cespitularia sp., Cladiella tuberculosa, Cladiella sp., Clavularia inflata, Klyxum simplex, Lemnalia sp., Lobophytum crassum, Lobophytum sp., Nephthea pacifica, Sarcophyton cherbonnieri, Sarcophyton crassocaule, Sarcophyton glaucum, Sarcophyton mililatensis, Sarcophyton trocheliophorum, Sarcophyton sp., Sinularia arborea, Sinularia erecta, Sinilaria flexibilis, Sinularia gibberosa, Sinularia manaarensis, Xenia umbellata) and Gorgonacea (Astrogorgia sp., Eunicea calyculata, Eunicea pinta, Eunicea succinea, Eunicea sp., Pseudopterogorgia sp.). Among these isolates, 41 compounds exhibited potential biomedical activities, including cytotoxicity, antimalarial activity, anti‐inflammatory activity, and antibacterial activity.
    Type of Medium: Online Resource
    ISSN: 0021-2148 , 1869-5868
    URL: Issue
    URL: Article
    DOI: 10.1002/ijch.v59.5
    DOI: 10.1002/ijch.201900011
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2066481-3
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  • 3
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    Online Resource
    Effect of Marine Red Yeast Rhodosporidium paludigenum on Antioxidant-Related Gene Expression in Litopenaeus vannamei
    SAABRON PRESS ; 2013
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 65 ( 2013-1-1)
    Details
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 65 ( 2013-1-1)
    Abstract: The effects of orally-administered dry and live marine red yeast Rhodosporidium paludigenum on antioxidant-related gene expression in the hepatopancreas and hemocytes of Litopenaeus vannamei were investigated by RT-PCR. In the hepatopancreas of L. vannamei fed dry yeast, manganese superoxidate dismutase (SODMn) and catalase (CAT) were enhanced while glutathione peroxidase (GPx) and ferritin remained at the same levels as in the control group. In the hepatopancreas of L. vannamei fed live yeast, SODMn and ferritin were higher than in the control. In hemocytes of L. vannamei fed dry yeast, SODMn was lower, ferritin was similar, and CAT and GPx fluctuated, in comparison to the control. In hemocytes of L. vannamei fed live yeast, SODMn was lower, ferritin was higher, and CAT and GPx tended to be lower than in the control group. Results suggest that consumption of the marine red yeast, R. paludigenum, can stimulate antioxidant gene expression in the hepatopancreas of shrimp.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    URL: Article
    DOI: 10.46989/001c.20665
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2013
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
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  • 4
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    Aeromonas allosaccharophila, an emerging opportunist pathogen for farmed hybrid sturgeon (Acipenser baerii × Acipenser schrencki), in southwest China
    SAABRON PRESS ; 2022
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 74 ( 2022-3-13)
    Details
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 74 ( 2022-3-13)
    Abstract: Aeromonas allosaccharophila belongs one of the causative agent of Aeromonas disease in teleosts. Here, we reported on multiple outbreaks of A. allosaccharophila with mortality up to 80% in farmed hybrid sturgeon in Sichuan, China, from 2019 to 2021. This was the first study to A. allosaccharophila from diseased hybrid sturgeons by phenotypic characterization and 16S rRNA analysis. The typical clinical signs of these fish were intestinal segments empty and often with yellow mucus or swelling. Histopathological observation of diseased fish infected with A. allosaccharophila showed the intestinal villus structure disappeared and the intestinal mucosa epithelium was necrotic and shed. Experimental infection indicated that A. allosaccharophila was the pathogen responsible for the mortalities. Antibiotic sensitivity test results showed that A. allosaccharophila was resistant to ampicillin, neomycin, tetracycline, and penicillin, while sensitive to sulfamethoxazole, streptomycin, florfenicol, enrofloxacin, and cefoxitin. Our findings provide references for the disease diagnosis and treatment.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    URL: Article
    DOI: 10.46989/001c.33612
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2022
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
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  • 5
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    Online Resource
    Effect of Algae Decaying on Shrimp Culture System and Suggested Biological Remediation Strategies
    SAABRON PRESS ; 2020
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 72 ( 2020-4-29)
    Details
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 72 ( 2020-4-29)
    Abstract: Pond water with algae blooms was collected, and maintained in the dark over a 2-day period without nutritional supplements. The physico-chemical parameters and the density of algae were measured. The concentration of NH 4+-N, DIN and PO4–P in water in darkness significantly increased, and the density of algae decreased significantly. Isolated water was exposed to three bio-remediation water treatments: addition of green algae, Bacillus subtilis and photosynthetic bacteria. After remediation, the concentrations of NH4+ -N, NO3- -N, DIN and PO4- -P in the three treatment groups were significantly lower than the control group. No difference was observed in the concentration of NO2–N between the control group and the photosynthetic bacteria group. Results from all treatments showed water quality deterioration along with increase in nitrogen and phosphorus concentrations. Bio-remediation methods can be effectively adapted in shrimp culture after algae decay, and one of the most promising biological remediation strategies is the use of green algae.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    URL: Article
    DOI: 10.46989/001c.18974
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2020
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
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  • 6
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    Online Resource
    Epigenetic Manipulation Induces the Production of Coumarin‐Type Secondary Metabolite from Arthrobotrys foliicola
    Wiley ; 2019
    In:  Israel Journal of Chemistry Vol. 59, No. 5 ( 2019-05), p. 432-438
    Details
    In: Israel Journal of Chemistry, Wiley, Vol. 59, No. 5 ( 2019-05), p. 432-438
    Abstract: Pursuing epigenetic manipulation approach in fungi led to the isolation of an unusual coumarin metabolite from fungi. An addition of the histone deacetylase inhibitor, suberohydroxamic acid (SBHA), to the culture medium of Arthrobotrys foliicola induced production of the coumarin‐type secondary metabolite represented by a single intensive peak in the HPLC profile of the ethyl acetate extract. The compound which was identified as 4‐ethyl‐7‐hydroxy‐8‐methyl‐2 H ‐chromen‐2‐one ( 1 ) was isolated from nature for the first time. Moreover, the investigation on the remaining part of the HPLC profile led to the separation of 6‐ethyl‐2,4‐dihydroxy‐3‐methylbenzaldehyde ( 2 ) and ten 2,5‐diketopiperazine compounds ( 3 – 12 ). The structures of isolates were deduced by their mass and NMR spectroscopic data. The coumarin‐type secondary metabolite ( 1 ) with peculiar smell induced by epigenetic stimulation is found for the first time in the Arthrobotrys species and the family Orbiliaceae. We evaluated 1 for the cytotoxic, anti‐inflammatory, anti‐allergic and nematocidal activities, however, it was found inactive.
    Type of Medium: Online Resource
    ISSN: 0021-2148 , 1869-5868
    URL: Issue
    URL: Article
    DOI: 10.1002/ijch.v59.5
    DOI: 10.1002/ijch.201800162
    Language: English
    Publisher: Wiley
    Publication Date: 2019
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  • 7
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    Trigonal Prismatic Cu 6 L 3 Coordination Cage: Encapsulation of Aromatic Molecules and Tuned Photoluminescence
    Wiley ; 2019
    In:  Israel Journal of Chemistry Vol. 59, No. 3-4 ( 2019-03), p. 317-322
    Details
    In: Israel Journal of Chemistry, Wiley, Vol. 59, No. 3-4 ( 2019-03), p. 317-322
    Abstract: A trigonal prismatic Cu 6 L 3 coordination cage has been assembled from Cu(I) and semi‐rigid bipyrazolyl ligand. The X‐ray crystallography demonstrates that the cage has a cavity and can encapsulate the toluene as a guest, exhibiting thermochromism phenomenon. Empty cage can be obtained by expulsion of the guest through single crystal to single crystal transformation. After removed the guest, the empty cage shows a blue‐shifted emission (580 nm), in comparison to its parent cage (615 nm). The empty cage could further serve as a host to encapsulate other aromatic molecules (e. g. mesitylene), which shows new emission band. The trigonal prismatic Cu 6 L 3 coordination cage provides a platform to make advanced luminescent materials.
    Type of Medium: Online Resource
    ISSN: 0021-2148 , 1869-5868
    URL: Issue
    URL: Article
    DOI: 10.1002/ijch.v59.3-4
    DOI: 10.1002/ijch.201900006
    Language: English
    Publisher: Wiley
    Publication Date: 2019
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  • 8
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    Physiological and molecular responses of golden pompano Trachinotus ovatus subjected to the acute salinity stress
    SAABRON PRESS ; 2020
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 72 ( 2020-4-20)
    Details
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 72 ( 2020-4-20)
    Abstract: Golden pompano ( Trachinotus ovatus ) is a commercially important marine fish and is widely cultured in the coastal area of South China. Salinity is one of the most important environmental factors influencing aquatic organisms. In this study, T. ovatus was subjected to the acute salinity stress treatments using four salinity levels of 0‰, 10‰, 20‰, and 40‰ to investigate its physiological and molecular responses. Our results revealed that serum osmolality, Na+, and Cl– concentrations showed a similar decreasing trend after salinity stress at the first 2 h and then increased after 8 h. In particular, the Na+/K+-ATPase alpha 1-isoform (Tonka α1) rapidly responded to changes in salinity levels. In the gills, the expression of Tonka α1 was markedly upregulated at 2 h in all the experimental groups (0‰, 10‰, 20‰, and 40‰). In the kidney, Tonka α1 expression in these experimental groups tended first to increase but then decreased, with its values peaking at 2 h, 4 h, and 8 h, respectively. In the intestine, Tonka α1 responded rapidly to salinity changes and then changed dramatically within 4 h under salinity stress. The Na+/K+-ATPase activity was also affected by the acute salinity stress, and it was higher in the 10‰ and 40‰ groups than in the control group (0 h). Interestingly, Na+/K+-ATPase activity was lowest in the 20‰ group. Our results show the various physiological response of T. ovatus under acute salinity stress and demonstrate that under such conditions, Na+/K+-ATPase is primarily involved in the osmoregulation required to maintain homeostasis in this species.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    URL: Article
    DOI: 10.46989/001c.18972
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2020
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
    SSG: 21,3
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  • 9
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    Effects of Air Exposure and Re-Submersion on Oxidative Stress of Marine Gastropod, Babylonia areolata
    SAABRON PRESS ; 2017
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 69, No. 1 ( 2017-1-1)
    Details
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 69, No. 1 ( 2017-1-1)
    Abstract: The effects of air exposure on the antioxidant capacity of marine gastropod, Babylonia areolata, were evaluated. Superoxide dismutase (SOD) activity, malondialdehyde (MDA) content, and total antioxidant capacity (T-AOC) levels in the muscle and hepatopancreas in B. areolata were measured after air exposure and re-submersion. Results showed that SOD activity minimally increased in the hepatopancreas and muscle, after air exposure for 4h. SOD activity in the hepatopancreas was lower than the normal level after 20 h of air exposure and air exposure followed by 4 h of re-submersion. T-AOC levels in the hepatopancreas and muscle of B. areolata decreased significantly (P 〈 0.05) following the period of air exposure. MDA content in the hepatopancreas of B. areolata subjected to air exposure for 24 and 28 h was significantly higher than the normal level. SOD activity in the hepatopancreas and T- AOC level in the hepatopancreas and muscle of B. areolata recovered to the normal level after 12 h of air exposure followed by 8 h of re-submersion. Air exposure can cause oxidative damage to B. areolata. The antioxidative system can be restored after air exposure for less than 12 h followed by re-submersion for 8 h.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    URL: Article
    DOI: 10.46989/001c.21041
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2017
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
    SSG: 21,3
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  • 10
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    Online Resource
    Effects of Air Exposure and Re-Submersion on Oxidative Stress of Marine Gastropod, Babylonia areolata
    SAABRON PRESS ; 2017
    In:  Israeli Journal of Aquaculture - Bamidgeh Vol. 69 ( 2017-1-1)
    Details
    In: Israeli Journal of Aquaculture - Bamidgeh, SAABRON PRESS, Vol. 69 ( 2017-1-1)
    Abstract: The effects of air exposure on the antioxidant capacity of marine gastropod, Babylonia areolata, were evaluated. Superoxide dismutase (SOD) activity, malondialdehyde (MDA) content, and total antioxidant capacity (T-AOC) levels in the muscle and hepatopancreas in B. areolata were measured after air exposure and re-submersion. Results showed that SOD activity minimally increased in the hepatopancreas and muscle, after air exposure for 4h. SOD activity in the hepatopancreas was lower than the normal level after 20 h of air exposure and air exposure followed by 4 h of re-submersion. T-AOC levels in the hepatopancreas and muscle of B. areolata decreased significantly (P 〈 0.05) following the period of air exposure. MDA content in the hepatopancreas of B. areolata subjected to air exposure for 24 and 28 h was significantly higher than the normal level. SOD activity in the hepatopancreas and T- AOC level in the hepatopancreas and muscle of B. areolata recovered to the normal level after 12 h of air exposure followed by 8 h of re-submersion. Air exposure can cause oxidative damage to B. areolata. The antioxidative system can be restored after air exposure for less than 12 h followed by re-submersion for 8 h.
    Type of Medium: Online Resource
    ISSN: 0792-156X , 0792-156X
    URL: Article
    DOI: 10.46989/001c.20865
    Language: English
    Publisher: SAABRON PRESS
    Publication Date: 2017
    detail.hit.zdb_id: 291787-7
    detail.hit.zdb_id: 2542938-3
    SSG: 21,3
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