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	<title>Mala jezgričina RNK - Povijest promjena</title>
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	<updated>2026-09-02T17:21:34Z</updated>
	<subtitle>Povijest promjena ove stranice na wikiju</subtitle>
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	<entry>
		<id>https://enciklopedija.cc/index.php?title=Mala_jezgri%C4%8Dina_RNK&amp;diff=442552&amp;oldid=prev</id>
		<title>WikiSysop: bnz</title>
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		<updated>2022-03-23T12:14:44Z</updated>

		<summary type="html">&lt;p&gt;bnz&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;←Starija inačica&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Inačica od 23. ožujak 2022. u 12:14&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Redak 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Redak 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;!--&#039;&#039;&#039;Mala jezgričina RNK&#039;&#039;&#039;--&amp;gt;&#039;&#039;&#039;&lt;/del&gt;Mala jezgričina RNK&#039;&#039;&#039; (eng. &#039;&#039;small nucleolar RNA&#039;&#039;, snoRNK), vrsta [[Nekodirajuća RNK|nekodirajuće]] [[mala RNK|male RNK]].&amp;lt;ref&amp;gt;Derrien, T. &#039;&#039;et al.&#039;&#039;(2011): &#039;&#039;The Long Non-Coding RNAs: A New (P)layer in the &quot;Dark Matter&quot;.&#039;&#039; In: &#039;&#039;Front Genet.&#039;&#039; 2:107. PMID 22303401 doi: [http://dx.doi.org/10.3389%2Ffgene.2011.00107 10.3389/fgene.2011.00107] [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3266617/pdf/fgene-02-00107.pdf PDF]&amp;lt;/ref&amp;gt; Postoji kod [[eukarioti|eukariota]] i nekih [[arheje|arheja]]. Primarno vode kemijske modifikacije inih RNK, uglavnom [[ribosomska RNK|ribosomskih RNK]], [[prijenosna RNK|prijenosnih RNK]] i [[mala jezgrena RNK|malih jezgrenih RNK]]. Dva su glavna razreda snoRNK:&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mala jezgričina RNK&#039;&#039;&#039; (eng. &#039;&#039;small nucleolar RNA&#039;&#039;, snoRNK), vrsta [[Nekodirajuća RNK|nekodirajuće]] [[mala RNK|male RNK]].&amp;lt;ref&amp;gt;Derrien, T. &#039;&#039;et al.&#039;&#039;(2011): &#039;&#039;The Long Non-Coding RNAs: A New (P)layer in the &quot;Dark Matter&quot;.&#039;&#039; In: &#039;&#039;Front Genet.&#039;&#039; 2:107. PMID 22303401 doi: [http://dx.doi.org/10.3389%2Ffgene.2011.00107 10.3389/fgene.2011.00107] [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3266617/pdf/fgene-02-00107.pdf PDF]&amp;lt;/ref&amp;gt; Postoji kod [[eukarioti|eukariota]] i nekih [[arheje|arheja]]. Primarno vode kemijske modifikacije inih RNK, uglavnom [[ribosomska RNK|ribosomskih RNK]], [[prijenosna RNK|prijenosnih RNK]] i [[mala jezgrena RNK|malih jezgrenih RNK]]. Dva su glavna razreda snoRNK:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;C/D box snoRNK&amp;#039;&amp;#039;, koji su združeni s [[metilacija|metilacijom]]&amp;lt;ref name=&amp;quot;pmid9211966&amp;quot;&amp;gt;{{cite journal | vauthors = Maden BE, Hughes JM | title = Eukaryotic ribosomal RNA: the recent excitement in the nucleotide modification problem | journal = Chromosoma | volume = 105 | issue = 7–8 | pages = 391–400 | date = June 1997 | pmid = 9211966 | doi = 10.1007/BF02510475 }}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;C/D box snoRNK&amp;#039;&amp;#039;, koji su združeni s [[metilacija|metilacijom]]&amp;lt;ref name=&amp;quot;pmid9211966&amp;quot;&amp;gt;{{cite journal | vauthors = Maden BE, Hughes JM | title = Eukaryotic ribosomal RNA: the recent excitement in the nucleotide modification problem | journal = Chromosoma | volume = 105 | issue = 7–8 | pages = 391–400 | date = June 1997 | pmid = 9211966 | doi = 10.1007/BF02510475 }}&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;H/ACA box snoRNK&amp;#039;&amp;#039;, koji su združeni s [[pseudoridilacija|pseudoridilacijom]].&amp;lt;ref name=&amp;quot;pmid9211966&amp;quot;/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;* &amp;#039;&amp;#039;H/ACA box snoRNK&amp;#039;&amp;#039;, koji su združeni s [[pseudoridilacija|pseudoridilacijom]].&amp;lt;ref name=&amp;quot;pmid9211966&amp;quot;/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>WikiSysop</name></author>
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	<entry>
		<id>https://enciklopedija.cc/index.php?title=Mala_jezgri%C4%8Dina_RNK&amp;diff=370374&amp;oldid=prev</id>
		<title>WikiSysop: Bot: Automatski unos stranica</title>
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		<updated>2021-12-08T17:37:38Z</updated>

		<summary type="html">&lt;p&gt;Bot: Automatski unos stranica&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nova stranica&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;!--&amp;#039;&amp;#039;&amp;#039;Mala jezgričina RNK&amp;#039;&amp;#039;&amp;#039;--&amp;gt;&amp;#039;&amp;#039;&amp;#039;Mala jezgričina RNK&amp;#039;&amp;#039;&amp;#039; (eng. &amp;#039;&amp;#039;small nucleolar RNA&amp;#039;&amp;#039;, snoRNK), vrsta [[Nekodirajuća RNK|nekodirajuće]] [[mala RNK|male RNK]].&amp;lt;ref&amp;gt;Derrien, T. &amp;#039;&amp;#039;et al.&amp;#039;&amp;#039;(2011): &amp;#039;&amp;#039;The Long Non-Coding RNAs: A New (P)layer in the &amp;quot;Dark Matter&amp;quot;.&amp;#039;&amp;#039; In: &amp;#039;&amp;#039;Front Genet.&amp;#039;&amp;#039; 2:107. PMID 22303401 doi: [http://dx.doi.org/10.3389%2Ffgene.2011.00107 10.3389/fgene.2011.00107] [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3266617/pdf/fgene-02-00107.pdf PDF]&amp;lt;/ref&amp;gt; Postoji kod [[eukarioti|eukariota]] i nekih [[arheje|arheja]]. Primarno vode kemijske modifikacije inih RNK, uglavnom [[ribosomska RNK|ribosomskih RNK]], [[prijenosna RNK|prijenosnih RNK]] i [[mala jezgrena RNK|malih jezgrenih RNK]]. Dva su glavna razreda snoRNK:&lt;br /&gt;
* &amp;#039;&amp;#039;C/D box snoRNK&amp;#039;&amp;#039;, koji su združeni s [[metilacija|metilacijom]]&amp;lt;ref name=&amp;quot;pmid9211966&amp;quot;&amp;gt;{{cite journal | vauthors = Maden BE, Hughes JM | title = Eukaryotic ribosomal RNA: the recent excitement in the nucleotide modification problem | journal = Chromosoma | volume = 105 | issue = 7–8 | pages = 391–400 | date = June 1997 | pmid = 9211966 | doi = 10.1007/BF02510475 }}&amp;lt;/ref&amp;gt;&lt;br /&gt;
* &amp;#039;&amp;#039;H/ACA box snoRNK&amp;#039;&amp;#039;, koji su združeni s [[pseudoridilacija|pseudoridilacijom]].&amp;lt;ref name=&amp;quot;pmid9211966&amp;quot;/&amp;gt;&lt;br /&gt;
O snoRNK obično se govori kao [[RNK vodič]]ima (guide RNA), ali ih se ne bi smjeli brkati s [[RNK vodič]]ima koji upravljaju [[uređivanje RNK|uređivanjem RNK]] u [[tripanosom]]ima.&lt;br /&gt;
SnoRNK igra ulogu u [[genomski upis|genomskom upisu]].&amp;lt;ref&amp;gt;K. R. Phipps, J. Charette, S. J. Baserga: &amp;#039;&amp;#039;The small subunit processome in ribosome biogenesis?progress and prospects.&amp;#039;&amp;#039; In: &amp;#039;&amp;#039;Wiley interdisciplinary reviews. RNA.&amp;#039;&amp;#039; Band 2, Nummer 1, 2011 Jan-Feb, S.&amp;amp;nbsp;1–21, {{DOI|10.1002/wrna.57}}. PMID 21318072. {{PMC|3035417}}.&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;M. Girardot, J. Cavaillé, R. Feil: &amp;#039;&amp;#039;Small regulatory RNAs controlled by genomic imprinting and their contribution to human disease.&amp;#039;&amp;#039; In: &amp;#039;&amp;#039;Epigenetics : official journal of the DNA Methylation Society.&amp;#039;&amp;#039; Band 7, Nummer 12, Dezember 2012, S.&amp;amp;nbsp;1341–1348, {{DOI|10.4161/epi.22884}}. PMID 23154539. {{PMC|3528689}}.&amp;lt;/ref&amp;gt;&amp;lt;ref&amp;gt;M. S. Scott, M. Ono: &amp;#039;&amp;#039;From snoRNA to miRNA: Dual function regulatory non-coding RNAs.&amp;#039;&amp;#039; In: &amp;#039;&amp;#039;Biochimie.&amp;#039;&amp;#039; Band 93, Nummer 11, November 2011, S.&amp;amp;nbsp;1987–1992, {{DOI|10.1016/j.biochi.2011.05.026}}. PMID 21664409. [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3476530/ PMC] 3476530.&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
SnoRNK [[genska uputa|genski upućuju]] ne samo [[bjelančevina|bjelančevine]], nego i djeluju kao RNK vodiči, u kojem enzimi [[enzim]]i dovode RNK na pravo mjesto. U stanici leže snoRNK, kao skoro sve ostale RNK, ali ne ogoljene nego združene s bjelančevinama poput [[ribonukleoprotein]]ima, pa se govori o snoRNP-ima (eng. &amp;#039;&amp;#039;small nucleolar ribonucleoprotein particle&amp;#039;&amp;#039;, mala jezgričina ribonukleoproteinska čestica).&lt;br /&gt;
&lt;br /&gt;
Modifikacije koje se preko ovih snoRNP-a u ribosomskim RNK uvode esencijalni su za funkciju [[ribosom]]a kao dio [[translacija (biologija)|translacije]], i u [[snRNK]] esencijalni za [[izrezivanje (biologija)|izrezivanje]] (eng. splicing). SnoRNP, kao što ime implicira, može se većinom naći u [[stanična jezgrica|staničnoj jezgrici]] (odatle ime &amp;#039;&amp;#039;jezgričina 0&amp;#039;&amp;#039;), gdje se modificiraju [[rRNK]], a iznimku čine srodne [[scaRNK]]. SnoRNK se kod eukariota unose u staničnu jezgru putem &amp;#039;&amp;#039;Crm1&amp;#039;&amp;#039;.&amp;lt;ref&amp;gt;C. Verheggen, E. Bertrand: &amp;#039;&amp;#039;CRM1 plays a nuclear role in transporting snoRNPs to nucleoli in higher eukaryotes.&amp;#039;&amp;#039; In: &amp;#039;&amp;#039;Nucleus (Austin, Tex.).&amp;#039;&amp;#039; Band 3, Nummer 2, März 2012, S.&amp;amp;nbsp;132–137, {{DOI|10.4161/nucl.19266}}. PMID 22555597. {{PMC|3383567}}.&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Pored mofikacija [[nukleinske kiseline|nukleinskih kiselina]] poduprtih putem RNK-vodiča, postoje izravne modifikacije bez pomoći ovih malih RNK, poput [[metilacija DNK|metiliranja DNK]] putem [[DNK-metiltransferaza]], metiliranja [[5&amp;#039; kapa|5&amp;#039; kapice]] ili [[uređivanje RNK]] primjerice putem [[DRADA|enzima ADAR-a]]).&lt;br /&gt;
&lt;br /&gt;
== Izvori ==&lt;br /&gt;
{{izvori}}&lt;br /&gt;
&lt;br /&gt;
[[Kategorija:Ribonukleinska kiselina]]&lt;/div&gt;</summary>
		<author><name>WikiSysop</name></author>
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