Abstract：
:Ostreopsis blooms regularly occur in many Mediterranean coastal areas in late summer-autumn. In the northern Adriatic Sea, Ostreopsis blooms affect diatom-dominated microphytobenthic communities. In this study, the effects of the filtrates of some diatom species, both benthic (Tabularia affinis, Proschkinia complanatoides and Navicula sp.) and planktonic (Thalassiosira sp. and Skeletonema marinoi) on cell morphology, cytological features and growth of O. cf. ovata were investigated. Our results showed a marked decrease of O. cf. ovata growth when cells were exposed to all diatom filtrates tested. The highest inhibitions were observed for exposures to P. complanatoides and Navicula sp. filtrates (92.5% and 80%, respectively) and increased with the age of diatom culture. Moreover, a clear DNA degradation and abnormal forms of O. cf. ovata cells (83.8% of the total) were found at the highest concentrations using Navicula sp. filtrate after 10 days of the inoculum.
journal_name
Mar Environ Resjournal_title
Marine environmental researchauthors
Pichierri S,Accoroni S,Pezzolesi L,Guerrini F,Romagnoli T,Pistocchi R,Totti Cdoi
10.1016/j.marenvres.2017.09.016subject
Has Abstractpub_date
2017-10-01 00:00:00pages
116-122eissn
0141-1136issn
1879-0291pii
S0141-1136(17)30371-9journal_volume
131pub_type
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