scholarly journals Free-living ciliates in different coastal zone biotopes at the Azerbaijan sector of the Caspian Sea

Protistology ◽  
2019 ◽  
Vol 12 (3) ◽  
Author(s):  
Ilham Kh. Alekperov ◽  
◽  
Elyana N. Tahirova ◽  
2020 ◽  
Vol 2 (1) ◽  
pp. 9
Author(s):  
Mahmoudi M.R. ◽  
Karanis P.

Acanthamoeba spp. are widely distributed in the environment and have been reported to be causative agents of lethal encephalitis and keratitis. In this study, thirty water samples from the Caspian Sea were collected during 2018. Water samples were filtrated and the filtrate used for culture. The positive samples were subjected to Polymerase Chain Reaction (PCR) and nucleotide sequencing. Free-living amoebae were identified in 50% (15/30) of the seawater samples. DNA sequencing revealed the presence of T2 and T4 genotypes. The results of the present study confirmed the presence of potentially pathogenic strains in seawater in this area. This awareness should be raised among environmental and public health professionals.


2017 ◽  
Vol 10 (1) ◽  
pp. 4-8
Author(s):  
A.B. Bigaliev ◽  
◽  
S.S. Kobegenova ◽  
K.B. Adyrbekova ◽  
S.A. Gutsulyak ◽  
...  

2020 ◽  
Vol 10 ◽  
pp. e00151
Author(s):  
Alireza Latifi ◽  
Mahboobeh Salami ◽  
Elham Kazemirad ◽  
Mohammad Soleimani

Author(s):  
Evgeny Nikolaevich LOBACHEV ◽  
Nukhkadi Ibragimovich RABAZANOV ◽  
Ruslan Magomedovich BARKHALOV ◽  
Umshanat Dzhamaldinovna ZURKHAEVA ◽  
Diana Pavlovna KLUSOVA

For more than a century of active commercial exploitation and environmental changes in the Caspian Sea, the structure of the population of marine fish species has undergone significant qualitative and quantitative changes. In this group of fish until 1960, the main role in the fishery was played by sea herring, which provided up to 50–70% of the total fish catch in the region. Interest in the study of marine fish of the Caspian Sea, using the example of mullets, Black Sea acclimatizers, is due to the fact that under new conditions, as well as a result of deep negative changes in the ecology of this reservoir under the influence of natural and anthropogenic factors, especially recently. At present, among marine fish, one of the main and promising fishing objects is mullet, which, since the period of acclimatization, has formed a high abundance in the coastal zone of the Daghestan coast of the Caspian Sea. Mullet are euryhaline fish that can live both in sea, salty water, and freshwater bodies. In this regard, the objects of this study were mullet (singil), the study of their commercial catches and stocks in the Caspian Sea.


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