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UID:1232@biology.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20240709T010000

DTEND;TZID=Asia/Jerusalem:20240709T020000

DTSTAMP:20240724T064306Z

URL:https://biology.technion.ac.il/en/seminars/phd-graduate-seminar-cameli
 a-shopen-gochev/

SUMMARY:PhD Graduate Seminar- Camelia Shopen Gochev [No Categories]
DESCRIPTION:Location: Hybrid- in the Faculty Auditorium/ZOOM: https:https:/
 /technion.zoom.us/j/93961845291      Camelia Shopen Gochev\n Affiliation: 
 \n Host: Prof. Debbie Lindell  \n Seasonality of infection:\nDynamics of c
 yanophage abundances and infection of their hosts\nMarine cyanobacteria ar
 e photosynthetic bacteria that are estimated to be responsible for a quart
 er of the ocean net primary production and are highly abundant. Their geog
 raphical distribution is shaped by environmental parameters such as temper
 ature\, nutrient availability\, light intensity but also by presence of mo
 rtality agents such as grazers and viruses. This work looks into how seaso
 nal changes in the environmental conditions affects viral abundances and i
 nfection patterns of their cyanobacterial host in two different oceanic re
 gions. Analysis of two years of monthly sampling from in the Sargasso Sea\
 , North Atlantic Ocean\, a nutrient poor open ocean system\, revealed stro
 ng re-occurring seasonality for both cyanobacteria and their viruses\, wit
 h higher abundance and infection in the fall. In sub-Antarctic waters in t
 he South Pacific Ocean\, a high nutrient low chlorophyll region\, I observ
 ed overall similar abundance of cyanobacteria and their viruses but with d
 ifferent taxon-specific composition and higher surface infection. Gaining 
 insight into the drivers of infection dynamics among primary producers wil
 l enhance our understanding and predictability of the fate of photosynthet
 ically fixed atmospheric CO2 and ocean biogeochemistry\, particularly as o
 ur oceans continue to warm.\n 
LOCATION:Hybrid- in the Faculty Auditorium/ZOOM: https:https://technion.zoo
 m.us/j/93961845291  

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