codons
英 美

n.【生】(遗传)密码子

网络密码组；三核苷酸列表；三联体密码

变形

复数：codons

英英释义

codon[ 'kəudɔn ]

• n.a specific sequence of three adjacent bases on a strand of DNA or RNA that provides genetic code information for a particular amino acid

词组短语

stop codon终止密码子；停止密码

双语例句

1.HOWMUCHPROTEINSECONDARYSTRUCTURALINFORMATIONDOSYNONYMOUSCODONSCARRY?同义密码子携带多少蛋白质二级结构信息？www.ilib.cn2.Thegenetic information contained in DNAconsistsofalinearsequenceofsuccessivecodingunits,knownAScodons.DNA中的遗传信息是由连续的编码单位即密码子的线形序列构成的。dict.ebigear.com3.Allamino acidsexceptmethionineandtryptophanarespecifiedbytwoormorecodons.除蛋氨酸和色氨酸外的所有氨基酸可根据两种或两种以上基码确定。bbs.translators.com.cn4.Butiftheirnewbacterium is at least viable,itwillhave43codonsthatcanbere-assignedtoothertasks.不过，只要他们的新品细菌可以存活，这个细菌将有额外的43个基码可以被分配去做其他任务。www.ecocn.org5.Thelettersaregroupedintothree-letter"words"knownascodons, meaning that thereare64ofthem.这些字母可三个一组地组成“单词”，称为基码（codon），这样的基码总共有64个。www.ecocn.org6.Alternativeinitiationcodonsandupstreamopenreadingframesalsowereidentifiedformanyyeastgenes.很多酵母基因的另外的起始启动子和上游开放阅读框也被确定。chinapubmed.net7.But,withmorecodonsthanaminoacids,manyamino acidshavemorethanonecodontodescribethem.由于基码的数量比氨基酸多，许多氨基酸有超过一个基码来表述它们。www.ecocn.org8.TheyintendtorecodeE.colicompletely,eliminatingtheredundantcodons.他们想对大肠杆菌完全地重编码，减少基码冗余。www.ecocn.org9.Atthatpoint, each scientist haddiscoveredthebasecompositions,butnotthesequences,ofmany of the codons.在那之前，他俩都发现了许多密码子的碱基组成，但序列仍未解开。10.NowChin'steamhavecreated256blankfour-lettercodonsthatcanbeassignedtoamino acids that don't evenexistyet.现在秦的研究小组已创建了256个四个字母的空白密码子，可以分配给那些甚至尚未存在的氨基酸。

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权威例句

The 'effective number of codons' used in a gene.
Selection of AUG initiation codons differs in plants and animals.
When cells stop making sense: effects of nonsense codons on RNA metabolism in vertebrate cells
Correlation of nonsense sites in the lacI gene with specific codons in the nucleotide sequence
Context effects and inefficient initiation at non-AUG codons in eucaryotic cell-free translation systems.
An mRNA Surveillance Mechanism That Eliminates Transcripts Lacking Termination Codons
Codon usage in regulatory genes in Escherichia coli does not reflect selection for 'rare' codons.
Recognition of AUG and alternative initiator codons is augmented by G in position +4 but is not generally affected by the nucleotide...
Correlation between the abundance of Escherichia coli transfer RNAs and the occurrence of the respective codons in its protein genes...
Ikemura, T.: Correlation between the abundance of Escherichia coli transfer RNAs and the occurrence of the respective codons in its ...