\u00dea\u00f0 er me\u00f0 t\u00f6luver\u00f0u stolti sem \u00e9g fleyti h\u00e9r \u00e1fram tilkynningu um doktorsvarnar erindi J\u00f3hannesar. \u00dea\u00f0 ver\u00f0ur k\u00e1tt \u00ed \u00d6skjunni f\u00f6studaginn 26 apr\u00edl, 2019.
\nErindi\u00f0 ver\u00f0ur kl. 14:00 \u00ed stofu 132.<\/p>\n
Doktorsefni: J\u00f3hannes Gu\u00f0brandsson<\/p>\n
Heiti ritger\u00f0ar: Genatj\u00e1ning \u00ed snemm\u00feroskun og erf\u00f0abreytileiki bleikjuafbrig\u00f0anna \u00ed \u00deingvallavatni<\/p>\n
http:\/\/luvs.hi.is\/vidburdir\/genatjaning_i_snemmthroskun_og_erfdabreytileiki_bleikjuafbrigdanna_i_thingvallavatni<\/p>\n
\u00c1grip<\/p>\n
Fj\u00f6gur afbrig\u00f0i bleikju (Salvelinus alpinus) finnast \u00ed \u00deingvallavatni. Afbrig\u00f0in eru talin hafa \u00fer\u00f3ast innan vatnsins fr\u00e1 lokum s\u00ed\u00f0ustu \u00edsaldar og eru \u00f3l\u00edk hva\u00f0 var\u00f0ar m.a. st\u00e6r\u00f0, \u00fatlit, l\u00edfsferla og f\u00e6\u00f0u\u00f6flun. Meginmarkmi\u00f0 verkefnisins var a\u00f0 auka skilning \u00e1 hva\u00f0a sameinda- og \u00feroskunarferlar liggja a\u00f0 baki mismunandi svipger\u00f0 afbrig\u00f0anna og meta erf\u00f0afr\u00e6\u00f0ilega a\u00f0greiningu \u00feeirra \u00e1 milli. K\u00f6nnu\u00f0 var genatj\u00e1ning \u00ed snemm\u00feroskun \u00ed leit a\u00f0 mismunandi tj\u00e1\u00f0um genum sem g\u00e6tu \u00feannig bent \u00e1 hva\u00f0a ferlar m\u00f3ta \u00feroskun \u00f3l\u00edkra svipger\u00f0a. Erf\u00f0abreytileiki me\u00f0al afbrig\u00f0anna var metinn og athuga\u00f0 hvort a\u00f0 erf\u00f0aset me\u00f0 mikinn mun \u00ed t\u00ed\u00f0ni sams\u00e6ta, me\u00f0al afbrig\u00f0a, fyndust \u00ed genum me\u00f0 svipu\u00f0 l\u00edffr\u00e6\u00f0ileg hlutverk og\/e\u00f0a v\u00e6ru bundin vi\u00f0 \u00e1kve\u00f0na sta\u00f0i innan erf\u00f0amengisins. Tvenns konar a\u00f0fer\u00f0arfr\u00e6\u00f0i var beitt, \u00ed fyrsta lagi a\u00f0 kanna \u00e1hugaver\u00f0 gen me\u00f0 s\u00e9rt\u00e6kum a\u00f0fer\u00f0um og \u00ed \u00f6\u00f0ru lagi a\u00f0 rannsaka allt umritunarmengi\u00f0 (me\u00f0 RNA-ra\u00f0greiningu). Ni\u00f0urst\u00f6\u00f0urnar afhj\u00fapa \u00f3l\u00edka genatj\u00e1ningu og erf\u00f0amun milli afbrig\u00f0anna. Munur \u00ed tj\u00e1ningu finnst \u00e1 genum \u00ed m\u00f6rgum l\u00edffr\u00e6\u00f0ilegum ferlum sem bendir til t\u00f6luver\u00f0ar a\u00f0greiningar afbrig\u00f0anna og a\u00f0 m\u00f6gulega hafi m\u00f6rg gen veri\u00f0 undir n\u00e1tt\u00farulegu vali. RNA-ni\u00f0urbrot \u00ed s\u00fdnum, l\u00edklega vegna t\u00e6knilegra vandkv\u00e6\u00f0a \u00ed me\u00f0h\u00f6ndlun \u00feeirra, h\u00e6kka\u00f0i fl\u00e6kjustig greininga \u00e1 RNA-ra\u00f0greiningarg\u00f6gnum. Greining umritunarmengisins var engu a\u00f0 s\u00ed\u00f0ur gagnleg \u00fear sem tj\u00e1ningarmunur fannst \u00ed genum sem tengjast myndun utanfrumugrindar og beinmyndun. G\u00f6gnin s\u00fdna mikinn mun \u00ed t\u00ed\u00f0ni sams\u00e6ta me\u00f0al afbrig\u00f0a og var mikinn mun a\u00f0 finna v\u00ed\u00f0a \u00ed erf\u00f0amenginu. \u00dea\u00f0 getur bent til \u00e6xlunarlegrar einangrunar afbrig\u00f0anna og\/e\u00f0a n\u00e1tt\u00farulegs vals \u00e1 m\u00f6rgum litningasv\u00e6\u00f0um. Mikill erf\u00f0amunur fannst til d\u00e6mis \u00ed genum tengdum \u00f3n\u00e6miskerfinu me\u00f0 s\u00e9rt\u00e6kum a\u00f0fer\u00f0um og a\u00f0greinandi erf\u00f0abreytileiki \u00ed genum tengdum kollagen-efnaskiptum og umhverfisskynjum (sj\u00f3n, heyrn) var \u00e1berandi \u00ed umritunarmenginu. Genatj\u00e1ningarmunur \u00ed f\u00f3strum og sk\u00fdr munur \u00ed erf\u00f0asamsetningu afbrig\u00f0anna bendir til a\u00f0 \u00feau s\u00e9u komin \u00e1lei\u00f0is inn \u00e1 \u201cveg tegundamyndunar\u201d.<\/p>\n
J\u00f3hannes f\u00e6ddist \u00e1ri\u00f0 1985 og \u00f3lst upp \u00e1 Sta\u00f0arhrauni \u00e1 M\u00fdrum. Hann lauk BS pr\u00f3fi \u00ed l\u00edffr\u00e6\u00f0i fr\u00e1 H\u00e1sk\u00f3la \u00cdslands \u00e1ri\u00f0 2008 og BS pr\u00f3fi \u00ed st\u00e6r\u00f0fr\u00e6\u00f0i fr\u00e1 sama sk\u00f3la \u00e1ri\u00f0 2010. J\u00f3hannes h\u00f3f doktorsn\u00e1m \u00ed l\u00edfr\u00e6\u00f0i hausti\u00f0 2009. Fr\u00e1 \u00e1rinu 2012 hefur hann veri\u00f0 hlutastarfi hj\u00e1 Vei\u00f0im\u00e1lastofnun, sem var\u00f0 a\u00f0 Hafranns\u00f3knastofnun \u00e1ri\u00f0 2016, \u00fear sem hann stundar ranns\u00f3knir \u00e1 laxfiskum. Hann sinnti einnig a\u00f0sto\u00f0arkennslu \u00ed \u00fdmsum l\u00edffr\u00e6\u00f0igreinum \u00ed H\u00e1sk\u00f3lanum me\u00f0fram n\u00e1mi.<\/p>\n
Andm\u00e6lendur:
\nDr. Kathryn Elmer, d\u00f3sent vi\u00f0 stofnun l\u00edffr\u00e6\u00f0ilegs fj\u00f6lbreytileika, d\u00fdraheilsu og samanbur\u00f0ar-l\u00e6knisfr\u00e6\u00f0i vi\u00f0 h\u00e1sk\u00f3lann \u00ed Glasgow.
\nDr. J\u00f3n H. Hallson, d\u00f3sent vi\u00f0 au\u00f0linda- og umhverfisdeild Landb\u00fana\u00f0arh\u00e1sk\u00f3la \u00cdslands.<\/p>\n
Lei\u00f0beinandi: Dr. Arnar P\u00e1lsson, pr\u00f3fessor vi\u00f0 L\u00edf- og umhverfisv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands.<\/p>\n
Einnig \u00ed doktorsnefnd:
\nDr. Zophon\u00edas O. J\u00f3nsson, pr\u00f3fessor vi\u00f0 L\u00edf- og umhverfisv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands.
\nDr. Sigur\u00f0ur S. Snorrason, pr\u00f3fessor vi\u00f0 L\u00edf- og umhverfisv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands.
\nDr. Einar \u00c1rnason, pr\u00f3fessor vi\u00f0 L\u00edf- og umhverfisv\u00edsindadeild H\u00e1sk\u00f3la \u00cdslands.
\nDr. P\u00e1ll Melsted, pr\u00f3fessor vi\u00f0 I\u00f0na\u00f0arverkfr\u00e6\u00f0i-, v\u00e9laverkfr\u00e6\u00f0i- og t\u00f6lvunarfr\u00e6\u00f0ideild H\u00e1sk\u00f3la \u00cdslands.<\/p>\n
Doktorsv\u00f6rn st\u00fdrir: Dr. Sn\u00e6bj\u00f6rn P\u00e1lsson, pr\u00f3fessor og varadeildarforseti L\u00edf- og umhverfisv\u00edsindadeildar H\u00e1sk\u00f3la \u00cdslands.<\/p>\n
Sj\u00e1 vi\u00f0bur\u00f0 \u00e1 facebook<\/p>","protected":false},"excerpt":{"rendered":"
\u00dea\u00f0 er me\u00f0 t\u00f6luver\u00f0u stolti sem \u00e9g fleyti h\u00e9r \u00e1fram tilkynningu um doktorsvarnar erindi J\u00f3hannesar. \u00dea\u00f0 ver\u00f0ur k\u00e1tt \u00ed \u00d6skjunni f\u00f6studaginn 26 apr\u00edl, 2019. Erindi\u00f0 ver\u00f0ur kl. 14:00 \u00ed stofu 132. Doktorsefni: J\u00f3hannes Gu\u00f0brandsson Heiti ritger\u00f0ar: Genatj\u00e1ning \u00ed snemm\u00feroskun og … Continue reading