24小时热门版块排行榜    

查看: 1928  |  回复: 4
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

yuehedou

木虫 (小有名气)

[求助] miRNA高通量测序分析时拷贝数的选取问题

分析高通量测序的miRNA数据时,通过质控的序列在进入后续分析(conserved,novel等的分析预测)时,对拷贝数(count数)有没有要求?
我在文献中看到有人全部拿去分析,有人去除了单拷贝,还有人甚至只用10拷贝以上的序列。
欢迎指教、讨论!
回复此楼

» 收录本帖的淘帖专辑推荐

miRNA测序数据分析

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

每天都为自己的无知而羞耻!
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

XOooZzz

银虫 (小有名气)

miRBase有这样的建议:
(1) Multiple reads (10–20 are commonly used cutoffs) support the presence of the mature microRNA (preferably from multiple independent experiments);
(2) The reads map to an extended sequence region (e.g. an assembled contig), and the sequence
flanking the putative mature microRNA folds to form a microRNA precursor-like hairpin with strong pairing between the mature microRNA and the opposite arm. Reads that map very many times
to a genome sequence should be discarded;
(3) Mapped reads do not overlap other annotated transcripts (i.e. there is no evidence that the short readsmay represent fragments of mRNAs or other known RNA types);
(4) Reads mapping to a locus support consistent processing of the 5'-end of the mature sequence (for example, the majority of reads overlapping a given mature microRNA annotation should have the same 5'-end; the 3'-end may be significantly more variable); and
(5) Ideally, reads will support the presence of mature sequences from both arms of the predicted hairpin (so-called miR and miR* sequences), and the putative mature sequences should base-pair with the correct 3'-overhang.

miRBase: integrating microRNA annotation and deep-sequencing data
3楼2014-04-27 10:47:13
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 5 个回答

growlywolf

金虫 (小有名气)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
yuehedou: 金币+20, ★★★很有帮助, 谢谢! 2014-04-27 14:53:12
我一般取5个reads以上的
或者取TPM>1的
2楼2014-04-26 20:19:15
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

yuehedou

木虫 (小有名气)

引用回帖:
2楼: Originally posted by growlywolf at 2014-04-26 20:19:15
我一般取5个reads以上的
或者取TPM>1的

谢谢!
每天都为自己的无知而羞耻!
4楼2014-04-27 14:52:49
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

yuehedou

木虫 (小有名气)

引用回帖:
3楼: Originally posted by XOooZzz at 2014-04-27 10:47:13
miRBase有这样的建议:
(1) Multiple reads (10–20 are commonly used cutoffs) support the presence of the mature microRNA (preferably from multiple independent experiments);
(2) The reads map to an e ...

很详细,谢谢!
每天都为自己的无知而羞耻!
5楼2014-04-27 14:54:29
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 310求调剂 +4 baibai1314 2026-03-16 4/200 2026-03-22 20:19 by edmund7
[考研] 求调剂 +6 十三加油 2026-03-21 6/300 2026-03-22 17:00 by i_cooler
[基金申请] 山东省面上项目限额评审 +4 石瑞0426 2026-03-19 4/200 2026-03-22 08:50 by Wei_ren
[考研] 广西大学材料导师推荐 +3 夏夏夏小正 2026-03-17 5/250 2026-03-21 22:20 by 金昊ML
[考研] 材料学硕333求调剂 +3 北道巷 2026-03-18 3/150 2026-03-21 18:17 by 学员8dgXkO
[考研] 299求调剂 +5 shxchem 2026-03-20 7/350 2026-03-21 17:09 by ColorlessPI
[考研] 330求调剂0854 +3 assdll 2026-03-21 3/150 2026-03-21 13:01 by 搏击518
[考研] 265求调剂 +3 Jack?k?y 2026-03-17 3/150 2026-03-21 03:17 by JourneyLucky
[考研] 一志愿重庆大学085700资源与环境专硕,总分308求调剂 +3 墨墨漠 2026-03-18 3/150 2026-03-21 00:39 by JourneyLucky
[考研] 304求调剂 +7 司空. 2026-03-18 7/350 2026-03-20 23:08 by JourneyLucky
[考研] 288求调剂 +16 于海海海海 2026-03-19 16/800 2026-03-20 22:28 by JourneyLucky
[考研] 一志愿 西北大学 ,070300化学学硕,总分287,双非一本,求调剂。 +4 晨昏线与星海 2026-03-19 4/200 2026-03-20 22:15 by JourneyLucky
[考研] 一志愿 南京航空航天大学大学 ,080500材料科学与工程学硕 +5 @taotao 2026-03-20 5/250 2026-03-20 20:16 by JourneyLucky
[考研] 一志愿南理工085701环境302求调剂院校 +3 葵梓卫队 2026-03-20 3/150 2026-03-20 19:28 by zhukairuo
[考研] 环境工程调剂 +9 大可digkids 2026-03-16 9/450 2026-03-20 17:38 by 醉在风里
[考研] 081700化工学硕调剂 +3 【1】 2026-03-16 3/150 2026-03-19 23:40 by edmund7
[考研] 生物学调剂招人!!! +3 山海天岚 2026-03-17 4/200 2026-03-19 21:34 by 怎么释怀
[考博] 申博26年 +3 八6八68 2026-03-19 3/150 2026-03-19 19:43 by nxgogo
[考研] 一志愿福大288有机化学,求调剂 +3 小木虫200408204 2026-03-18 3/150 2026-03-19 13:31 by houyaoxu
[考研] 283求调剂 +3 听风就是雨; 2026-03-16 3/150 2026-03-17 07:41 by 热情沙漠
信息提示
请填处理意见