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polymeric genes
相关语句
  等效异位基因
    Genetic Analyses of Polymeric Genes for Maltose Fermentation in Saccharomyces
    酵母菌麦芽糖发酵等效异位基因系的遗传分析
短句来源
    HYBRIDIZATION AND SELECTION OF YEASTS Ⅱ. GENETIC ANALYSIS OF POLYMERIC GENES FOR MALTOSE FERMENTATION IN SACCHAROMYCES
    酵母菌杂交育种——Ⅲ.酵母菌麦芽糖发酵等效异位基因系的遗传分析
短句来源
    Through an extended series of hybridization involving the progeny of the hybrid Sacch. cerevisiae and Sacch. chevdieri, it was shown that three polymeric genes for maltose fermentation, MALA, MALB, and MALC (not yet identified with standard MAL genes), exist in first-named species, while the latter species lacks these genes and is therefore recessive.
    用啤酒酵母及卡尔斯伯酵母研究麦芽糖发酵等效异位基因,对啤酒酵母与薛氏酵母的杂种后代进行一系列杂交,结果证明啤酒酵母含有3个等效异位基因MALA、MALB及MALC基因(暂定名,因未与标准MAL基因鉴定),而薛氏酵母不含任一MAL基因,故为隐性菌株。
短句来源
  “polymeric genes”译为未确定词的双语例句
    The results were as follows: (1) A strain of S. cerevisiae (No. 2.982) contains two polymeric genes for fast maltose fermentation; MALI and MALII in different chromosomes.
    实验结果证明:(1)啤酒酵母2.982含有2个互不连锁的麦芽糖快发酵基因MALⅠ和MALⅡ。
短句来源
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  polymeric genes
Genetic analysis suggested that geranial is accumulated by individuals homozygous for two pairs of recessive, polymeric genes,fr1 andfr2, which are incapable of converting geranial into perillene.
      
diastaticus and found three polymeric genes controlling this function: STA1, STA2 and STA3.
      
Polymeric genes MEL8, MEL9 and MEL10 - new members of α-galactosidase gene family in Saccharomyces cerevisiae
      
Sulphur dioxide tolerance was found to be under the control of dominant polymeric genes.
      


Genetic studies on polymeric genes for maltose fermentation were undertaken employing two species of Saccharomyces: Sacch. cerevisiae and Sacch. carlsbergensis.Through an extended series of hybridization involving the progeny of the hybrid Sacch. cerevisiae and Sacch. chevdieri, it was shown that three polymeric genes for maltose fermentation, MALA, MALB, and MALC (not yet identified with standard MAL genes), exist in first-named species, while the latter species lacks these genes and...

Genetic studies on polymeric genes for maltose fermentation were undertaken employing two species of Saccharomyces: Sacch. cerevisiae and Sacch. carlsbergensis.Through an extended series of hybridization involving the progeny of the hybrid Sacch. cerevisiae and Sacch. chevdieri, it was shown that three polymeric genes for maltose fermentation, MALA, MALB, and MALC (not yet identified with standard MAL genes), exist in first-named species, while the latter species lacks these genes and is therefore recessive.By crossing Sacch. carlsbergensis with Sacch. globosus, we found that Sacch. carlsbergensis possesses only one gene for maltose fermentation, MAL6, which Winge et al. had assumed to be present.These four genes for maltose fermentation were proved to be individual and non-linked.

用啤酒酵母及卡尔斯伯酵母研究麦芽糖发酵等效异位基因,对啤酒酵母与薛氏酵母的杂种后代进行一系列杂交,结果证明啤酒酵母含有3个等效异位基因MALA、MALB及MALC基因(暂定名,因未与标准MAL基因鉴定),而薛氏酵母不含任一MAL基因,故为隐性菌株。 在卡尔斯伯酵母与球形酵母杂交试验中,发现卡尔斯伯酵母只含有1个MAL6基因,证实了Winge等人的工作。 所有这4个麦芽糖发酵基因都是互相独立的不连锁的基因。

Through a series of extensive crosses of three species of Saccharomyces with recessive strains S. globosus or 8. chevalieri, genetic analyses of polymeric genes for fast maltose fermentation were undertaken by means of micromanipulation technique. The results were as follows: (1) A strain of S. cerevisiae (No. 2.982) contains two polymeric genes for fast maltose fermentation; MALI and MALII in different chromosomes. (2) A strain of 8. carlsbergensis (No. 2.500) contains only one gene for maltose...

Through a series of extensive crosses of three species of Saccharomyces with recessive strains S. globosus or 8. chevalieri, genetic analyses of polymeric genes for fast maltose fermentation were undertaken by means of micromanipulation technique. The results were as follows: (1) A strain of S. cerevisiae (No. 2.982) contains two polymeric genes for fast maltose fermentation; MALI and MALII in different chromosomes. (2) A strain of 8. carlsbergensis (No. 2.500) contains only one gene for maltose fermentation; MAL6. (3) We found that among the progeny of a hybrid of S. uvarum (No. 2,346) with 8. chevalieri, S. Uvarum possesses at least one gene for maltose fermentation, which is identical with MALI from 8. cerevisiae, but not identical with MAL6 from 8. carlsbergensis. (4) 8. globosus may be considered as a recessive parent as S. chevalieri to identify genes for maltose fermentation, since it contains following genes: malⅠ, malⅡ and mal6.In this paper, cross methods of comparing between haploid cells, a haploid cell with a spore and between spores were improved in some aspects, and discussed in detail. Various strains with monogene, and with different combinations of these genes as above, were obtained in our experiments.

用球形酵母或薛氏酵母为隐性菌株,对酵母属3个种的麦芽糖发酵基因进行了遗传分析。实验结果证明:(1)啤酒酵母2.982含有2个互不连锁的麦芽糖快发酵基因MALⅠ和MALⅡ。(2)卡尔斯伯酵母2.500仅含MAL6基因。(3)在葡萄汁酵母2.346与薛氏酵母杂种的一个后代中,发现葡萄汁酵母至少含有一个MALI基因。(4)球形酵母2.1161含有malI,malⅡ和mal6基因。本文对单倍体细胞间、单倍体细胞与孢子及孢子间三种杂交方法有所改进,提高了杂交频率。

Diploid strains homozygous for both MAT allele and STA genes (a/a. STA1/ STA1 or STA2/ STA2 or STA3/ STA3) and diploid strains homozygous for MAT allele but intercombinahve for STA genes (a / a. STA1/ STA2 or STA2/ STA3 or STA1/ STA3) were constructed by means of the protoplast fusion or the colchicine beatment.According to glucoamylase activity in YPS medium, we studied the gene-dosage effect and their interrelation of these three polymeric genes coding for glucoamylase. The results of the glucoamylase...

Diploid strains homozygous for both MAT allele and STA genes (a/a. STA1/ STA1 or STA2/ STA2 or STA3/ STA3) and diploid strains homozygous for MAT allele but intercombinahve for STA genes (a / a. STA1/ STA2 or STA2/ STA3 or STA1/ STA3) were constructed by means of the protoplast fusion or the colchicine beatment.According to glucoamylase activity in YPS medium, we studied the gene-dosage effect and their interrelation of these three polymeric genes coding for glucoamylase. The results of the glucoamylase activity determination showed that the gene-dosage effect of glucoamylase is obvious in diploid and triploid strains homozygous for both MAT allele and STA gene, such as the glucoamylase achvity of a diploid strain SFY56-6 and a triploid strain SFY56-104 homozygous for both MAT allele and STA genes were respectively 2.35 and 3.18-fold as compared with that of the their parental strain IATA-Y56 that is a haploid Aaccharomyces diastaticus. Moreover, the glucoamylase achvity of diploid stains homozygous for MAT allele but intereombinative for STA genes also showed the combinative gene-dosage effect to a certain extent.

通过原生质体融合和秋水仙素加倍技术,将糖化酵母的3个等效异位基因(STA1、STA2和STA3)分别构建成交配型位点等位基因纯合(a/a)、和糖化酶基因各自纯合加倍的纯合二倍体(STA1/STA1、STA2/STA2和STA3/STA3)以及糖化酶基因相互组合加倍的组合二倍体(STA1/STA2、STA2/STA3和STA1/STA3)。研究了这3个糖化酶基因表达的剂量效应及其相互关系。糖化酶酶活测定的结果表明,在交配型位点等位基因纯合状态下,糖化酶基因的剂量效应明显。例如,1株纯合二倍体SFY56-6的酶活可达其单倍体亲株的2.35倍,而1株纯合三倍体SFY56-104其酶活是亲株的3.18倍。糖化酶基因组合二倍体的酶活也表现出不同程度的组合剂量效应。

 
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