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<span style="font-size:19.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;letter-spacing:-.6pt">Meistarafyrirlestur: Vibrio cholerae við strendur Íslands<o:p></o:p></span></h1>
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<b><span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Hvenær hefst þessi viðburður:&nbsp;<o:p></o:p></span></b></p>
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<span class="date-display-single"><span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black;border:none windowtext 1.0pt;padding:0cm">21. janúar 2014 - 15:15</span></span><span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></p>
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<b><span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Staðsetning viðburðar:&nbsp;<o:p></o:p></span></b></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black"><a href="http://www.hi.is/askja"><span style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;border:none windowtext 1.0pt;padding:0cm">Askja</span></a><o:p></o:p></span></p>
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<b><span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Nánari staðsetning:&nbsp;<o:p></o:p></span></b></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Stofa 130<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black;mso-fareast-language:IS"><img border="0" width="220" height="331" id="Picture_x0020_1" src="cid:image001.jpg@01CF168A.28D29120" alt="Herdís Eva Hermundardóttir "></span><span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black"><o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Herdís Eva Hermundardóttir flytur fyrirlestur um verkefni sitt til meistaraprófs í líffræði. Verkefnið ber heitið&nbsp;Vibrio cholerae við strendur Íslands.<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Vibrio cholerae er baktería sem á heimkynni sín í sjó og vötnum, aðallega í hitabeltinu. Tvær sermisgerðir bakteríunnar, O1 og O139, valda kóleru, en þær innihalda kólerueitur sem veldur
 einkennum sjúkdómsins. Aðrar gerðir hennar valda stöku sárasýkingum og eyrnabólgum hjá strandgestum, og geta auk þess valdið skaða á smádýrum. Á Íslandi var leitað að V. cholerae í fyrsta skipti árið 2006, og fannst hún á stöðum þar sem heitt vatn rennur út
 í sjó frá útrásum hitaveitu eða heitum hverum og hitar upp umhverfið á litlu svæði tímabundið á fjöru.<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Markmið rannsóknarinnar var að kortleggja umhverfisskilyrði V. cholerae bakteríunnar hér við land á fjórum mismunandi stöðum, kanna útbreiðslu hennar svo og að meta mismunandi greiningaraðferðir.
 V. cholerae fannst alltaf í sjósýnum frá Ægissíðu í Reykjavík, Skarðshver á Vatnsnesi og Berserkseyri á Snæfellsnesi, hún ræktaðist frá mörgum tegundum stórsærra lífvera á þessum stöðum og nánast alltaf úr fjörusandi. Bakterían fannst í allt að átta km fjarlægð
 frá hver við Berserkeyri. V. cholerae fannst aldrei í sýnum sem tekin voru neðan við Reykjanesvirkjun, þar sem heitur fullsaltur jarðsjór rennur til sjávar í hrjóstrugt líflítið flæðarmál. Við vöktun V. cholerae á strandsvæðum er mælt með sértækri mögnun erfðaefnis
 eftir ræktun í auðgunaræti. Fjölbreytileiki stofna bakteríunnar er talsverður bæði innan staða og á milli staða, sem algengt er meðal umhverfisbaktería.<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Niðurstöður benda til að V. cholerae hafi átt búsetu við volgrur í fjörum, jafnvel frá lokum ísaldar, háð streymi af volgu ferskvatni og lífvænlegu fjöruumhverfi.<o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:&quot;inherit&quot;,&quot;serif&quot;;color:black">Aðalleiðbeinandi verkefnisins er dr. Eva Benediktsdóttir, dósent við Líf- og umhverfisvísindadeild, og meðleiðbeinandi dr. Jörundur Svavarsson, prófessor við Líf- og umhverfisvísindadeild.<br>
Prófdómari er dr. Bjarnheiður K. Guðmundsdóttir, vísindamaður á Tilraunastöð H.Í. í meinafræði að Keldum.<o:p></o:p></span></p>
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