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MPI Seminare

24.11.2016

Einladung zum MPI Seminar

Dr. Daniel Sher
Uni­ver­si­ty of Hai­fa, Is­ra­el

 

 

Dr. Daniel Sher
University of Haifa, Israel

Interactions between marine bacteria: patterns, mechanisms and models

Donnerstag, 24. November 2016
15:00 Uhr
Neuer Hörsaal (4. Stock)

 

 

Abstract

Ma­ri­ne mi­cro­or­ga­nisms per­form one-half of the pri­ma­ry pro­duc­tion on our pla­net, for­ming the base of a food chain that feeds plank­ton, fish and ul­ti­mate­ly hu­man so­cie­ties. La­bo­ra­to­ry ex­pe­ri­ments and ana­ly­ses of na­tu­ral com­mu­nities have sug­gested that some ma­ri­ne mi­cro­bes in­ter­act through sym­bio­sis, al­le­lo­pa­thy, com­pe­ti­ti­on, and pa­ra­si­tism, but many ques­ti­ons re­main: How com­mon are such in­ter­ac­tions in the ma­ri­ne en­vi­ron­ment? What are the mole­cu­lar me­cha­nisms in­vol­ved? And what is the im­pact of the­se in­ter­ac­tions in na­tu­re, on a glo­bal sca­le? In the pre­sen­ta­ti­on I will first de­scri­be a high-through­put me­thod to mea­su­re the ef­fect of in­ter­ac­tions in la­bo­ra­to­ry co-cul­tu­res of Prochlo­ro­coc­cus, the most ab­un­dant pho­to­syn­the­tic mi­cro­be in the oce­ans, and co-oc­cur­ring he­te­ro­tro­phic bac­te­ria. I will then dis­cuss our pro­gress towards de­ci­phe­ring the “che­mi­cal lan­gua­ge” used by the­se or­ga­nisms as they in­ter­act and towards in­cor­po­ra­ting such in­ter­ac­tions into ma­the­ma­ti­cal mo­dels.

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