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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Dear developers<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have a question regarding the use of the methods “fetch_all_by_display_label” and “fetch_all_by_external_name”<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Consider this snippet of code:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>my $query_gene = “MT-TG”;<o:p></o:p></p><p class=MsoNormal>my @fetched_genes = @{$gene_adaptor->fetch_all_by_display_label($query_gene)};<o:p></o:p></p><p class=MsoNormal>unless (@fetched_genes){<o:p></o:p></p><p class=MsoNormal style='text-indent:36.0pt'>@fetched_genes =  @{ $gene_adaptor->fetch_all_by_external_name($query_gene) };<o:p></o:p></p><p class=MsoNormal>}<o:p></o:p></p><p class=MsoNormal>foreach my $a (@fetched_genes) {<o:p></o:p></p><p class=MsoNormal>                                [do something]...<o:p></o:p></p><p class=MsoNormal>}<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Although, MT-TG is the approved HGNC symbol for this gene ( <a href="http://www.genenames.org/data/hgnc_data.php?hgnc_id=7486">http://www.genenames.org/data/hgnc_data.php?hgnc_id=7486</a> ), I am unable to retrieve data for it from the ensemble database.<o:p></o:p></p><h1 style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:10.85pt;margin-left:0cm;background:white'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";font-weight:normal'>In ensembl this gene is called J01415.16 with the ENSGID: ENSG00000210164 (<a href="http://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000210164;r=MT:9991-10058;t=ENST00000387429">http://www.ensembl.org/Homo_sapiens/Gene/Summary?g=ENSG00000210164;r=MT:9991-10058;t=ENST00000387429</a> )<o:p></o:p></span></h1><h1 style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:10.85pt;margin-left:0cm;background:white'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";font-weight:normal'>Can you tell me what I am doing wrong and how to change my code so I can retrieve is particular gene of interest?<o:p></o:p></span></h1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Best regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Duarte Molha</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>