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                    <h1 class="content-header-heading">Ymchwil newydd yn helpu i ddatgelu mwy am firysau mawr </h1>
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<p style="padding: 1.5em; text-align: center; background-color: #ffc266; font-weight: bold">
    Sylwer bod y dudalen hon wedi cael ei harchifo ac nid yw'n cael ei diweddaru mwyach.
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    <p class="news-item-summary">Mae Prifysgol Abertawe wedi chwarae rhan allweddol mewn ymchwil drawsatlantig i ddatblygu dealltwriaeth well o firysau mawr a'u potensial i achosi salwch a allai beryglu bywyd. </p>

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        <p>Mae'r canfyddiadau, sydd wedi'u cyhoeddi yn y cyfnodolyn o fri, <em>Proceedings of the National Academy of Sciences of the United States of America</em> (PNAS), yn edrych ar y genynnau annisgwyl y mae'r firysau mawr hyn yn eu cario y daethpwyd o hyd iddynt mewn ameb&acirc;u.&nbsp;</p>
<p><img src="/media/david-lamb-fulbright-web.jpg"
alt="David Lamb research" title="Professor David Lamb,  recipient of a highly prestigious Fulbright Scholarship, worked with his Swansea University Medical School colleagues Professor Steven Kelly, Dr Claire Price and Dr Andrew Warrilow on the paper On the occurrence of cytochrome P450 in viruses. The Proceedings of the National Academy of Sciences of the United States of America (PNAS)" />Bu'r Athro David Lamb (<em>chwith</em>), a dderbyniodd yr ysgoloriaeth Fulbright o fri, yn gweithio gyda'i gydweithwyr o <a href="https://www.swansea.ac.uk/medicine/">Ysgol Feddygaeth Prifysgol Abertawe</a> sef yr Athro Steven Kelly, Dr Claire Price a Dr Andrew Warrilow ar y papur <strong><a href="https://www.pnas.org/content/early/2019/06/04/1901080116">On the occurrence of cytochrome P450 in viruses</a>.</strong>&nbsp;</p>
<p>Esboniodd yr Athro Lamb fod modd disgrifio ameb&acirc;u fel ceffylau o Droea oherwydd eu bod yn cario'r firysau mawr &ndash; a all fod mor fawr &acirc; bacteria.&nbsp;</p>
<p>Meddai: "Mae gan rai o'r firysau mawr hyn filoedd ar filoedd o enynnau. Rydym yn eu catalogio ac yn archwilio eu priodweddau.&nbsp;</p>
<p>"Rydym yn gwybod y gellir cysylltu'r firysau hyn &acirc; rhai mathau o niwmonia, felly gallwn ddatblygu ffyrdd newydd o frwydro yn erbyn y firysau hynny os oes gennym ddealltwriaeth well ohonynt."&nbsp;</p>
<p>Mae'r papur yn deillio o'r cyfnod pan fu&rsquo;r Athro Lamb yn yr Unol Daleithiau fel un o <a href="http://www.fulbright.org.uk/going-to-the-usa/academic-and-professional/fulbright-scholar-awards">Ysgolheigion Fulbright</a> cyntaf erioed Prifysgol Abertawe.&nbsp;</p>
<p>Oherwydd ei fod ar y rhaglen o fri, cafodd ei wahodd gan Adran Cefnforoedd ac Iechyd Dynol y <a href="https://www.whoi.edu/">Woods Hole Oceanographic Institute</a> (sy'n enwog yn fyd-eang) ym&nbsp; Massachusetts, lle treuliodd flwyddyn yn datblygu ei ymchwil i fioamrywiaeth sytocrom P450.&nbsp;</p>
<p>Cydweithiodd yr academyddion o Abertawe hefyd &acirc; Dr Jed Goldstone a'r Athro John Stegeman, o Woods Hole, Alec Follmer, Marie True a'r Athro Tom Poulos, o Brifysgol California Irvine a'r Athro David Nelson o Brifysgol Tennessee ar y papur.&nbsp;</p>
<p>Ychwanegodd yr Athro Lamb: "Dyma ymchwil ddiddorol iawn ac mae ein canfyddiadau'n cyhoeddi oes newydd o ddealltwriaeth ynghylch esblygiad y teulu pwysig hwn o enynnau. Ceir goblygiadau ar gyfer deall bioleg a tharddiad y firysau anferth eu hun."</p>
<p>Ceir rhagor o wybodaeth ar wefan <a href="https://www.p450swansea.co.uk/home">Canolfan Bioamrywiaeth Sytocrom P450 Prifysgol Abertawe. </a>&nbsp;</p>
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        <li class="news-item-post-info author">
           Postiwyd gan
            <span class="fn">Kathy Thomas</span>
            &lt;<a class="email" href="mailto:katherine.thomas@swansea.ac.uk">katherine.thomas@swansea.ac.uk</a>&gt;
        </li>

        <li class="news-item-post-info">
            <a href="/cy/swyddfar-wasg/archif-newyddion/2019/ymchwilnewyddynhelpuiddatgelumwyamfirysaumawr.php" rel="bookmark">
                <abbr class="published" title="2019-06-03T21:10:00+01:00">Dydd Llun 3 Mehefin 2019 21.10 BST</abbr>
            </a>
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        <li class="news-item-post-info updated-container">
            <abbr class="updated" title="2019-06-06T12:02:19+01:00">Dydd Iau 6 Mehefin 2019 12.02 BST</abbr>
        </li>

        <li class="news-item-post-info">
        	<span class="fn org">Swyddfa'r Wasg</span>, Ff&ocirc;n: <span class="tel">01792604290</span>
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