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- The characteristic of leptotene, zygotene, pachytene, diploene and diakinesis was observed.The meiosis of Periplaneta Brunnea is similar to other Periplanetas. 细胞分裂过程中细线期、偶线期、粗线期、双线期、终变期染色体形态学特征,结果表明褐斑大蠊减数分裂过程与蜚蠊属其他种相似,符合一般规律。
- Periplaneta brunnea 褐色大蠊
- Study on Antibacterial Peptide of Periplaneta Americana L. 美洲大蠊(Periplaneta americana L.;)抗菌肽的研究
- KT 50s against periplaneta americana were 8.6 min,10.5 min,11.3 min. 对美洲大蠊的KT50 分别为 8 6min、10 5min、11 3min ;
- Periplaneta Australasiae:Body in brown.Smaller than periplaneta Americana. 澳洲大蠊:体型比美洲大蠊略小,体呈褐色;
- Ellis, Ambrosiella brunnea (Verrall) Batra, and Cytosporina notha Diedz (1 new record species). vonHohnel]、褐钝孢[Ambrosiellabrunnea(Verrall)Batra]和1个新记录种:假线壳囊孢(CytosporinanothaDied.;)
- Observations on bactericidal action of antibacterial peptide from Periplaneta americana L. 抗菌肽杀菌作用初步观察。
- Objective: To clone, express and characterize the major Periplaneta Americana allergen Cr PI. 研究目的:本研究旨在表达、纯化与鉴定美洲大蠊主要变应原Cr PI。
- Inducement and extraction of antibacterial material from Periplaneta americana L. 美洲大蠊抗菌物质的诱导与提取。
- The Cr-pII gene was amplified from Periplaneta Americana by RT-PCR and subsequently was cloned into the pMD18-T vector. 采用RT-PCR技术从美洲大蠊中扩增出变应原Cr-pII基因,并将其克隆至pMD18-T载体中。
- Bioactivities of MiEM to cockroach (Periplaneta Americana) were assayed after mature peptide folding correctly. 合成的线性肽经氧化折叠纯化后,用于测试其对环境害虫蟑螂(Periplaneta americana)的抗虫活性。
- Periplaneta fuliginosa serv. and P. americana L. respectively make up 1.33% and 2.32%. 德国小蠊为优势种;占96.;36±2
- Objective To determine the lipid components extracted from periplaneta americana. 目的研究美洲大蠊提取物中油脂的化学成分。
- Objective To construct a cDNA expression library of Periplaneta Americana nymph. 目的 构建美洲大蠊若虫cDNA表达文库。
- The cockroach is one of the most important sources of allergen. In south China, Periplaneta Americana is the major domiciliary cockroach and predominant species. 蟑螂是一种重要的昆虫过敏原,在我国南方蟑螂种类主要是美洲大蠊,占70%25,为优势种群。
- The present work is the first to report the induction of ABP in a hemimeta-bolous insect, the American cockroach Periplaneta americana. 本文首次以有翅亚纲外生翅类蜚蠊目的美洲蜚蠊(Ptriplaneta americana L.;)
- The major difference between speckle periplaneta and Periplaneta Americana lies in their front back and the shape of circus. 褐斑大蠊与美洲大蠊的主要区别是前胸背板和尾须形状,尾须前者短而未端钝,后者较长而未端细;
- Cockroach was divided into 2 families, 3 genera and 5 species, in which Periplaneta americana was dominating specie, the peak was in August. 蜚蠊2科3属5种,优势种为美洲大蠊。 密度指数全年最高峰为8月份。
- The proportion of interburst period duration to DGC duration in P. americana was the highest with the mean value 57%, which was 48%, 37% and 36% for B. germanica, P. brunnea and P. australasiae respectively. 对于爆发间期历时在整个DGC历时所占的比例,美洲大蠊最大,平均为57%25,德国小蠊次之,为48%25,褐斑大蠊和澳洲大蠊比较接近,分别为37%25和36%25。
- The results showed that there existed 115, 116 and 141 polypeptide spots in Periplaneta,americana P. japonica and Blattella germanica, respectively. 美洲大蠊、日本大蠊和德国小蠊分别显示多肽斑点115、116和141个;三者均大部分分布在43KD以下、pH6.;32以下和pH7