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Abstract: The authors studied the structure of the coastal fish assemblage in a temperate coral reef within a marine protected area in order to provide a baseline information on the occurrence and temporal distribution of fish and to highlight the importance of the coral reef to ichthyofauna. The coastal fish assemblage was investigated at two sites in Veliko jezero (Mljet National Park) in the southern Adriatic Sea with a non-destructive SCUBA visual technique in the period from 2013 to 2021. Altogether, 38 fish taxa were recorded on the right bank (coral reef) and 36 species on the left bank. The presence of the coral reef at a depth range between 9 m to 12 m is the main factor differentiating the fish fauna in these two areas, which are otherwise governed by the same environmental factors. At the coral reef a decrease in fish diversity was discovered with a steady regression from 2013 to 2021.
Keywords: fish fauna, spatial heterogeneity, Mediterranean coral reef, Cladocora caespitosa, marine protected area, Veliko jezero
Published in DiRROS: 10.05.2024; Views: 165; Downloads: 246
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Abstract: Molekularna citogenetika igra pomembno vlogo v genetiki raka, pri diagnostiki in ugotavljanju specifičnih kromosomskih sprememb. Je eno osnovnih orodij v odkrivanju genov, pomembnih v patogenezi rakastih bolezni. V poznih 80. letih prejšnjega stoletja so se razvile številne tehnike, ki temeljijo na metodi fluorescenčne in situ hibridizacije (FISH). Najpomembnejše med njimi so interfazni FISH, večbarvni FISH (M-FISH, Sky) in primerjalna genomska hibridizacija (PGH). V zadnjem času pa se uveljavlja tehnologija mikromrež. Digitalna kariotipizacija, PGH na mikromrežah in tehnika oligonukleotidnih mikromrež, so tehnike, ki so prevzele vlogo v raziskavah raka. V Laboratoriju za medicinsko gentiko mariborske bolnišnice smo razvili vse osnovne molekularno citogenetske metode, razen čip tehnologije. Molekularne citogenetske tehnike uporabljamo pri diagnostiki levkemij in limfomov ter nekaterih solidnih tumorjih. V tem prispevku je prikazana uporaba FISH-a, interfaznega FISH-a, večbarvnega FISH-a in PHG pri posameznih primerih levkemij. Razpravljamo tudi o pomnožitvah onkogena Her2 pri diagnostiki raka dojke ter pogostejših kromosomskih preureditvah pri raku mehurja.
Keywords: primerjalna genomska hibridizacija, M-FISH, PGH na mikromrežah
Published in DiRROS: 16.09.2019; Views: 1443; Downloads: 358
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