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izvor podataka: crosbi

Morphology, physiology and phylogeny of the newly isolated Picochlorum sp strain from Adriatic Sea (CROSBI ID 665875)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Mucko, Maja ; Novak, Tihana ; Medić, Nikola ; Gašparović, Blaženka ; Peharec Štefanić, Petra ; Orlić, Sandi ; Ljubešić, Zrinka Morphology, physiology and phylogeny of the newly isolated Picochlorum sp strain from Adriatic Sea // Abstract Book of Irish Algal Reseachers Conference. 2018. str. 11-12

Podaci o odgovornosti

Mucko, Maja ; Novak, Tihana ; Medić, Nikola ; Gašparović, Blaženka ; Peharec Štefanić, Petra ; Orlić, Sandi ; Ljubešić, Zrinka

hrvatski

Morphology, physiology and phylogeny of the newly isolated Picochlorum sp strain from Adriatic Sea

Photosynthetic picoeukaryotes are smallest eukaryotic phytoplankton fraction of the world’s seas and oceans, greatly contributing in carbon fluxes, biogeochemical cycles and overall primary production. During BIOTA (Bio-tracing Adriatic Water Masses) cruise in February 2015, strain of unknown photosynthetic pico-green algae PMFPPE4 was isolated in monoclonal culture and subsequent analyses were performed in order for correct identification and biotechnology potential characterization. Strain PMFPPE4 proved to belong to genus Picochlorum (W.J.Henley, J.L.Hironaka, L.Guillou, M.A.Buchheim, J.A.Buchheim, M.W.Fawley & K.P.Fawley ) through morphology (LM and TEM), phylogeny (plastid 16S rRNA and nuclear 18S rRNA genes) and physiology characterization. Pigment composition of the strain was congruent with class Trebouxiophyceae, having chlorophyll a and b, lutein, β-carotene, violaxanthin and neoxanthin. Strain PMFPPE4 showed usual growth rate regime through steady and exponential growth and then stationary phase in a period of three weeks. After that, it was kept in dark for one month after which cells were still viable. Specific lipid composition and survival in dark conditions imply possible switch of this resilient green algae to mixotrophic lifestyle in unfavourable growth conditions. This study represents a first step in resolving the complex taxonomy of this underappreciated and taxonomically unresolved marine genus Piochlorum, as well as valuable information about this strain that could serve for further biotechnological studies.

photosynthetic picoeukaryotes ; morphology ; phylogeny ; physiology ; Picochlorum ; lipids

nije evidentirano

engleski

Morphology, physiology and phylogeny of the newly isolated Picochlorum sp strain from Adriatic Sea

nije evidentirano

photosynthetic picoeukaryotes ; morphology ; phylogeny ; physiology ; Picochlorum ; lipids

nije evidentirano

Podaci o prilogu

11-12.

2018.

objavljeno

Podaci o matičnoj publikaciji

Abstract Book of Irish Algal Reseachers Conference

Podaci o skupu

Irish Algal Researchers Conference

predavanje

06.09.2018-07.09.2018

Gaillimh, Irska

Povezanost rada

Biologija