广西瘤瘿螨属四新种记述：蜱螨亚纲：瘿螨科

４个新种是紫薇瘤瘿螨Ａｃｅｒｉａ ｌａｇｅｒｓｔｒｏｅｍｉａｅ Ｋｕａｎｇｅｔ Ｙａｎｇ,ｓｐ．ｎｏｖ．,路边青瘤瘿螨Ａｃｅｒｉａ ｇｅｉ Ｋｕａｎｇ ｅｔＬｕ,ｓｐ．ｎｏｖ．,广西瘤瘿螨Ａｃｅｒｉａ ｇｕａｎｘｉｅｎｓｅ ＫｕａｎｇｅｔＬｕ,ｓｐ．ｎｏｖ．和梧州瘤瘿螨Ａｃｅｒｉａ ｗｕｚｈｏｕｅｎｓｉｓ Ｋｕａｎｇｅｔ Ｙａｎｇ,ｓｐ．ｎｏｖ。     

中国瘿螨科三新种记述(蜱螨亚纲:瘿螨总科)

记述瘿螨科Ｅｒｉｏｐｈｙｉｄａｅ３新种：瘿螨亚科Ｅｒｉｏｐｈｙｉｄａｅ的相瘤瘿螨Ａｃｅｒｉａ ｃｅｌｔｉｄｉｓ Ｚｈａｏ ｅｔ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．;叶刺瘿螨亚科Ｐｈｙｌｌｏｃｏｐｔｉｎａｅ的无花果中瘿螨Ｓｉｎａｃｕｓ ｃａｒｉｃａｅＺｈａｏ ｅｔ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．和柳顶冠瘿螨Ｔ ｅｇｏｌｏｐｈｕｓ ｓａｌｉｃｉｓ Ｋｕａｎｇ ｅｔ Ｚｈａｏ,ｓｐ．ｎｏｖ．。display structure     

中国叶刺瘿螨亚科四新种记述(蜱螨亚纲:瘿螨总科)

文内新种为樱花刺皮瘿螨Ａｃｕｌｏｐｓ ｙｉｎｇｈｕａｅ Ｋｕａｎｇ,ｓｐ．ｎｏｖ。,西宁刺皮瘿螨Ａｃｕｌｏｐｓ ｘｉｎｉｎｇｅｎｓｉｓ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．,湟中刺瘿螨Ａｃｕｌｕｓ ｈｕａｎｇｚｈｏｎｇｅｎｓｉｓ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．和白英叶刺瘿螨Ｐｈｙｌｌｏｃｏｐｔｅｓ ｓｏｌａｎｉ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．。     

中国瘿螨科一新属五新种记述（蜱螨亚纲：瘿螨总科）

文内新属为帽瘿螨属Ｍｉｔｒａｔｕｓ Ｋｕａｎｇ,ｇｅｎ．ｎｏｖ．,新种是构帽瘿螨Ｍ．ｂｒｏｕｓｓｏｎｅｔｉａｅ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．,张掖瘿螨Ｅｒｉｏｐｈｙｅｓ ｚｈａｎｇｙｅｅｎｓｉｓ Ｋｕａｎｇ ｅｔ Ｌｕｏ,ｓｐ．ｎｏｖ．,柳刺瘿螨Ａｃｕｌｕｓ ｓａｌｉｃｉｓ Ｋｕａｎｇ ｅｔ Ｌｕｏ,ｓｐ．ｎｏｖ．,拟醋栗花刺瘿螨Ａｎｔｈｏｃｏｐｔｅｓ ｐａｒａｒｉｂｉｓ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．     

中国大嘴瘿螨科三种新种记述：（蜱螨亚纲：瘿螨总科）

本文记述大嘴瘿螨科Ｒｈｙｎｃａｐｈｙｔｏｐｔｉｄａｅ３新种：大嘴瘿螨亚科Ｒｈｙｎｃａｐｈｙｔｏｐｔｉｎａｅ的无花果大嘴瘿螨Ｒｈｙｎｃａｐｈｙｔｏｐｔｕｓ ｃａｒｉｃａｅ Ｚｈａｏ ｅｔ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．和中山大嘴瘿螨Ｒｈｙｎｃａｐｈｙｔｏｐｔｕｓ ｚｈｏｎｇｓｈａｎｉ ＺＨａｏ ｅｔ Ｋｕａｎｇ,ｓｐ．ｎｏｖ．;羽爪瘿螨亚科Ｄｉｐｔｉｌｏｍｉｏｐｉｎａｅ的竹尖嘴瘿螨Ａｃａｒｈｙｎｃｈｕｓ     

中国大嘴瘿螨科三新种记述(蜱螨亚纲:瘿螨总科)

本文记述大嘴瘿螨科Ｒｈｙｎｃａｐｈｙｔｏｐｔｉｄａｅ３新种：大嘴瘿螨亚科Ｒｈｙｎｃａｐｈｙｔｏｐ－ｔｉｎａｅ的无花果大嘴瘿螨ＲｈｙｎｃａｐｈｙｔｏｐｔｕｓｃａｒｉｃａｅＺｈａｏｅｔＫｕａｎｇ,ｓｐ．ｎｏｖ．和中山大嘴瘿螨ＲｈｙｎｃａｐｈｙｔｏｐｔｕｓｚｈｏｎｇｓｈａｎｉＺｈａｏｅｔＫｕａｎｇ,ｓｐ．ｎｏｖ．;羽爪瘿螨亚科Ｄｉｐｔｉｌｏｍｉｏｐｉｎａｅ的竹尖嘴瘿螨ＡｃａｒｈｙｎｃｈｕｓｂａｍｂｕｓａｅＫｕａｎｇｅｔＺｈａｏ,ｓｐ．ｎｏｖ．。模式标本保存在南京农业大学植物保护系。     

中国瘿螨科四新种记述（蜱螨亚纲：瘿螨总科）

本文记述瘿科４新种：生瘿螨亚科Ｃｅｃｉｄｏｐｈｙｉｎａｅ的竹生瘿螨Ｃｅｃｉｄｏｐｈｙｅｓ ｂａｍｂｕｓａｅ,ｓｐ．ｎｏｖ。瘿螨亚科Ｅｒｏｐｈｙｉｎａｅ的龙眼瘿螨Ｅｒｉｏｐｈｙｅｓ ｄｉｍｏｃａｒ ｐｉ,ｓｐ．ｎｏｖ。鲁迅瘤瘿螨Ａｅｒｉａ ｌｕｘｕｎｉ,ｓｐ。ｎｏｖ。和竹刺子瘿螨Ａｃｕｌｏｄｅｓ ｂａｍｂｕｓａｅ,ｓｐ．ｎｏｖ。模式标本保存在南京农业大学植物保护系。     

中国针叶树瘿螨一新属三新种记述：（蜱螨亚纲：瘿螨总科）

文内新属为新为瘿螨属Ｎｅｏｅｐｉｔｒｉｍｅｒｕｓ Ｋｕａｎｇ ｅｔ Ｌｉ,ｇｅｎ．ｎｏｖ．,新种是侧柏新上瘿螨Ｎｅｏｅｐｉｔｒｉｍｅｒｕｓ ｐｌａｔｙｃｌａｄｉ Ｋｕａｎｇ ｅｔ Ｌｉ,ｓｐ．ｎｏｖ．、松上瘿螨Ｅｐｉｔｒｉｍｅｒｕｓ ｐｉｎｉ Ｋｕａｎｇ ｅｔ Ｌｉ,ｓｐ．ｎｏｖ．和金钱松博瘿螨Ｂｏｃｚｅｋｅｌｌａ ｐｓｅｕｄｏｌａｒｉｓ Ｋｕａｎｇ ｅｔ Ｓｈｅｎ,ｓｐ．ｎｏｖ．它们分别分布在北     

中国四瘿螨属二新种记述：蜱螨亚纲：瘿螨总科

本文记述了四瘿螨属Ｔｅｔｒａ２新种：即毛竹四瘿螨ＴｅｔｒａｐｈｙｌｌｏｓｔａｃｈｙｉｓＫｕａｎｇｅｔＺｈａｎｇｓｐ．ｎｏｖ和杨四瘿螨ＴｅｔｒａｐｏｐｕｌｉＫｕａｎｇｓｐ．ｎｏｖ。     

叶棘瘿螨亚科三新种记述

本文记述的三个新种,即瓜馥木纺瘿螨Ｖｉｔｔａｃｕｓ ｆｉｓｓｉｓｔｉｇａｅ ｓｐ,ｎｏｖ。隆安刺瘿螨Ａｃｕｌｕｓ ｌｏｇａｎｅｎｓｉｓ ｓｐ,ｎｏｖ、大血藤刺瘿螨Ａｃｕｌｕｓ ｓａｒｇｅｎｔｏｄｏｘａｅ ｓｐ。ｎｏｖ,标本采自广西。     

Recent advances in the study of Kaposi's sarcoma-associated herpesvirus replication and pathogenesis

It has now been over twenty years since a novel herpesviral genome was identified in Kaposi's sarcoma biopsies. Since then, the cumulative research effort by molecular biologists, virologists, clinicians, and epidemiologists alike has led to the extensive characterization of this tumor virus, Kaposi's sarcoma-associated herpesvirus(KSHV; also known as human herpesvirus 8(HHV-8)), and its associated diseases. Here we review the current knowledge of KSHV biology and pathogenesis, with a particular emphasis on new and exciting advances in the field of epigenetics. We also discuss the development and practicality of various cell culture and animal model systems to study KSHV replication and pathogenesis.     

The structure, reproduction and taxonomy of Vidalia and Osmundaria (Rhodophyta, Rhodomelaceae)

Comprises species occurring mostly in subtidal habitats in tropical, subtropical and warm-temperate areas of the world. An analysis of the type species, V. spiralis (Sonder) Lamouroux ex J. Agardh, a species from Australia, establishes basic characters for distinguishing species in the genus. These characters are (1) branching patterns of thalli, (2) flat blades that may be spiralled on their axis, (3) width of the blade, (4) primary or secondary derivation of sterile and fertile branchlets and (5) position of sterile and fertile branchlets on the thalli. Application of the latter two characters provides an important basic method for separation of species into three major groups. Osmundaria , a genus known only in southern Australia, was studied in relation to Vidalia , and its separation from the Vidalia assemblage is not accepted. Species of Vidalia therefore are transferred to the older genus name, Osmundaria. Two new species, Osmundaria papenfussii and Osmundaria oliveae are described from Natal. Confusion in the usage of the epithet, Vidalia fimbriala Brown ex Turner has been clarified, and Vidalia gregaria Falkenberg, described as an epiphyte on Osmundaria pro/ifera Lamouroux, is revealed to be young branches of the host, Osmundaria prolifera.     

New or rare chromosome counts in Artemisia L. (Asteraceae, Anthemideae) and related genera from Kazakhstan

Fifteen chromosome counts of six Artemisia taxa and one species of each of the genera Brachanthemum, Hippolytia, Kaschgaria, Lepidolopsis and Turaniphytum are reported from Kazakhstan. Three of them are new reports, two are not consistent with previous counts and the remainder are confirmations of very scarce (one to four) earlier records. All the populations studied have the same basic chromosome number, x = 9, with ploidy levels ranging from 2x to 6x. Some correlations between ploidy level, morphological characters and distribution are noted.     

肝癌中HBV和HCV基因和抗原的分布及意义

采用原位分子杂交方法检测HCV RNA及HBV X基因;采用免疫组织化学方法研究HCV核心抗原,非结构区C33c抗原及HBxAg在肝细胞肝癌中的定位及分布.结果表明(1)HCV RNA、HBV X基因在肝细胞肝癌组织检出率分别为40%(55/136)和82%(112/136).HCV RNA定位于癌细胞的胞浆内,阳性细胞呈散在、灶状及弥漫分布三种形式;HBV X基因在肝癌细胞中的分布呈胞浆型、核型及核浆型,阳性细胞也呈上述三种分布形式;(2)HCV C33c抗原、核心抗原在肝细胞肝癌中的阳性率为81%(133/164)及86%(141/164).C33c抗原定位于癌细胞及肝细胞的胞浆内;核心抗原既定位于癌细胞核中,又可定位于胞浆中.C33c抗原阳性细胞以灶状分布为主;而核心抗原阳性细     

Selection with two alleles and complete dominance

For a plant selection model with frequency-independent viabilities, fertilities and selfing rates, it is shown that apart from global fixation, for certain parameter combinations a protected polymorphism and facultative fixation (either allele may become fixed according to initial frequencies) may both occur. Facultative fixation requires different selling rates for the dominant and recessive type. Protection of the polymorphism requires resource allocation for male and female function. In this connection the problem of purely genetically caused population extinction is discussed.
For general frequency dependence and regular segregation, the chances for establishment of a completely recessive gene are compared to those of a completely dominant gene. It is proven that the process of establishment of the recessive gene, despite a fitness advantage, may be considerably endangered by drift effects if random mating prevails. The recessive gene may reach the same effectivity in establishment as a dominant gene, only if the recessive homozygote mates exclusively with its own type during the period of establishment.