北票尖山沟义县组下部两种膜翅目昆虫化石

描述了产自辽这西部北票上园地区尖山沟上侏罗统义县组上部膜翅目昆虫化石１新属２新种。新属新种Ｐｒｏｃｒｅｔｕａｎｉａ Ｐｒｉｓｔｉｎａ ｇｅｎ．ｅｔ ｓｐ．ｎｏｖ．归人白垩旗腹姬蜂科（Ｃｒｅｔｅｖａｎｉｉｄａｅ）,新种Ｇｕｒｖａｎｏｔｒｕｐｅｓ ｌｉａｏｎｉｎｇｅｎｓｉｓ ｓｐ．ｎｏｖ。归入细蜂科（Ｓｅｒｐｈｉｄａｅ）．这是Ｃｒｅｔｅｖａｎｉｉｄａｅ科和Ｇｕｒｖａｎｏｔｒｕｐｅｓ属在我国的首次发现     

中国悦茧蜂属记述（膜翅目：茧蜂科：悦茧蜂亚科）

本文报道我国悦茧蜂亚科Ｃｈａｒｍｏｎｔｉｎａｅ悦茧蜂属Ｃｈａｒｍｏｎ１新种（红胸悦茧蜂Ｃ．ｒｕｆｉｔｈｏｒａｘｓｐ．ｎｏｖ）和２新种记录种（血色悦茧蜂Ｃ．ｃｒｕｅｎｔａｔｕｓＨａｌｉｄａｙ,长管悦茧蜂Ｃ．ｅｘｔｅｎｓｏｒ（Ｌｉｎｎａｅｕｓ）。新种模式标本存浙江农业大学。     

中国兰科植物新资料

本文报道了２个新种（元阳石豆兰ＢｕｌｂｏｐｈｙｌｌｕｍｙｕａｎｙａｎｇｅｎｓｅＴｓｕｉ,长帽隔距兰ＣｌｅｉｓｏｓｔｏｍａｌｏｎｇｉｏｐｅｒｃｕｌａｔｕｍＴｓｉ）、２个新组合（翼萼卷瓣兰ＢｕｌｂｏｐｈｙｌｌｕｍｒｅｔｕｓｉｕｓｃｕｌｕｍＲｃｈｂ．ｆ．ｖａｒ．ｏｒｅｏｇｅｎｅｓ（Ｗ．Ｗ．Ｓｍｉｔｈ）Ｔｓｉ,角萼卷瓣兰Ｂ．ｒｅｔｕｓｉｕｓｃｕｌｕｍＲｃｈｂ．ｆ．ｖａｒ．ｔｉｇｒｉｄｕｍ（Ｈａｎｃｅ）Ｔｓｉ）和１个新命名（细茎毛兰ＥｒｉａｔｅｎｕｉｃａｕｌｉｓＳ．Ｃ．ＣｈｅｎｅｔＴｓｉ）。     

福建拟犁沟茧蜂属一新种（膜翅目∶茧蜂科）

本描述了采自福建的拟犁沟茧蜂属Ａｕｌｏｓａｐｈｏｉｄｅｓ ｖａｎ Ａｃｈｔｅｒｂｅｒｇ（膜翅目∶茧蜂科∶软节茧蜂亚科）１新种：福建拟犁沟茧峰Ａ．ｆｕｊｉａｎｉｃｕｓ ｓｐ．ｎｏｖ．。新种模式标本存于福建农业大学益虫研究室。     

辽西义县组长节锯蜂科(昆虫纲,膜翅目)昆虫化石

描述产自辽宁西部北票上园地区和凌源大王杖子义县组长节锯蜂科（Ｘｙｅｌｉｄａｅ）巨长节锯蜂亚科（Ｍａｃｒｏｘｙｅｌｉｎａｅ）昆虫化石１２种,归于４族８属,其中６新属１２新种,包括Ａｎｇａｒｉｄｙｅｌａ ｒｏｂｕｓｔａ ｓｐ．ｎｏｖ．,Ａｎｇａｒｉｄｙｅｌａ ｅｘｃｕｌｐｔａ ｓｐ．ｎｏｖ．,Ａｎｇａｒｉｄｙｅｌａ ｓｕｓｐｅｃｔａ ｓｐ．ｎｏｖ．,Ａｎｇａｒｉｄｙｅｌａ ｅｎｄｅｍｉｃａ ｓｐ．ｎｏ     

湖南省角怒茧蜂属一新种(膜翅目：茧蜂科，怒茧蜂亚科)

湖南省角怒茧蜂属一新种（膜翅目：茧蜂科,怒茧蜂亚科）游兰韶,周至宏（湖南农学院长沙４１０１２８）（广西农科院南宁５３０００７）本文报道湖南省角怒茧蜂属ＫｅｒｏｒｇｉｌｕｓｖａｎＡｃｈｔｅｒｂｅｒｓ,１９８５一新种。角怒茧降属隶茧蜂科,怒茧蜂亚科Ｏｒｇ...     

广东滩涂经济鱼类寄生吸虫Ⅱ．异肉科和独睾科吸虫──（吸虫纲：复殖目）

本文对广东滩涂经济鱼类寄生吸虫异肉科Ａｌｌｏｃｒｅａｄｉｉｄａｅ（Ｌｏｏｓｅ,１９０２）（Ｓｔｏｓｓｉｃｈ,１９０３）和独睾科ＭｏｎｏｒｃｈｉｉｄａｅＯｄｈｎｅｒ,（１９１１）进行研究,并建立拟履口吸虫属Ｐａｒａｃｒｅｐｉｄｏｓｔｏｍｕｍｇｅｎ．ｎｏｖ．是异肉科,履口亚科Ｃｒｅｐｉｄｏｓｔｏｍｉｎａｅ（Ｄｏｌｌｆｕｓ,１９５１）的新属;长宫吸虫属Ｌｅｎｏｌｏｐａｇｅｎ．ｎｏｖ是独睾科、孤睾亚科Ｌａｓｉｏｔｏｃｉｎａｅ的新属。文中对二新属二新种：金钱鱼拟履口吸虫Ｐａｒａｃｒｅｐｉｄｏｓｔｏｍｕｍｓｃａｔｏｐｈａｇｕｓｉ和惠州长空吸虫Ｌｅｎｏｌｏｐａｈｕｉｚｈｏｕｅｎｓｉｓ分别进行了详细的描述,并对异肉科、履口亚科和属的分类特征进行修正、补充和讨论。     

中国西南地区角腹蚁属和卡蚁属新种记述（膜翅目：蚁科：切叶蚁亚科）

中国西南地区角腹蚁属和卡蚁属新种记述（膜翅目：蚁科：切叶蚁亚科）徐正会,郑哲民（陕西师范大学动物研究所陕西省西安市７１００６２）本文报道了在中国西南地区发现的２个蚂蚁新种。新种女蜗角腹蚁Ｒｅｃｕｒｖｉｄｒｉｓｎｕｗａ,ｓｐ．ｎｏｖ．与弯刺角腹蚁Ｒ．ｒ...     

中国新纪录科--修复细蜂科(膜翅目:细蜂总科)

作者在整理我国窄腹细蜂科Ｒｏｐｒｏｎｉｉｄａｅ种类时 ,发现杨集昆教授 1997年在《武夷科学》(13:10 1～ 10 5 )上作为新属新种发表的赵修复窄腹细蜂ＨｓｉｕｆｕｒｏｐｒｏｎｉａｃｈａｏｉＹａｎｇ(分布北京门头沟 ,1♀ )并不隶于窄腹细蜂科 ,也非新属 ,而是属于在我国尚无记录的ＰｒｏｃｔｏｒｅｎｙｘｉｄａｅＬｅｌｅｊｅｔＫｏｚｌｏｖ ,1999(=ＲｅｎｙｘｉｄａｅＫｏｚｌｏｖ ,1994 )的ＰｒｏｃｔｏｒｅｎｙｘａＬｅｌｅｊｅｔＫｏｚｌｏｖ ,1999(=ＲｅｎｙｘａＫｏｚｌｏｖ ,1994 )。这一发现 ,表明Ｐｒｏｃｔｏｒｅｎｙｘｉｄａ…     

畸形细胞在协调寄生蜂同其寄主 相互关系中的作用

膜翅目内寄生的茧蜂科(Ｂｒａｃｏｎｉｄａｅ)、广腹细蜂科(Ｐｌａｔｙｇａｓｔｅｒｉｄａｅ)、缘腹卵蜂科(Ｓｃｅｌｉｏｎｉｄａｅ)中,蜂卵孵化时,起胚胎营养作用的浆膜(ｓｅｒｏｓａｌｍｅｍｂｒａｎｅ)释放到寄主血淋巴中,分散后游离形成畸形细胞。赤眼蜂科(Ｔｒｉｃｈ...     

A Unique Protease Cleavage Site Predicted in the Spike Protein of the Novel Pneumonia Coronavirus (2019-nCoV) Potentially Related to Viral Transmissibility

正Dear Editor,In December 2019, a novel human coronavirus caused an epidemic of severe pneumonia(Coronavirus Disease 2019,COVID-19) in Wuhan, Hubei, China(Wu et al. 2020; Zhu et al. 2020). So far, this virus has spread to all areas of China and even to other countries. The epidemic has caused 67,102 confirmed infections with 1526 fatal cases     

Curcuminoids as inhibitors of thioredoxin reductase: A receptor based pharmacophore study with distance mapping of the active site

Curcumin is the yellow pigment of turmeric that interacts irreversibly forming an adduct with thioredoxin reductase (TrxR), an enzyme responsible for redox control of cell and defence against oxidative stress. Docking at both the active sites of TrxR was performed to compare the potency of three naturally occurring curcuminoids, namely curcumin, demethoxy curcumin and bis-demethoxy curcumin. Results show that active sites of TrxR occur at the junction of E and F chains. Volume and area of both cavities is predicted. It has been concluded by distance mapping of the most active conformations that Se atom of catalytic residue SeCYS498, is at a distance of 3.56 from C13 of demethoxy curcumin at the E chain active site, whereas C13 carbon atom forms adduct with Se atom of SeCys 498. We report that at least one methoxy group in curcuminoids is necessary for interation with catalytic residues of thioredoxin. Pharmacophore of both active sites of the TrxR receptor for curcumin and demethoxy curcumin molecules has been drawn and proposed for design and synthesis of most probable potent antiproliferative synthetic drugs.     

Comparative morphology of the carpel in the Liliaceae: Hewardieae, Petrosavieae, and Tricyrteae

The young pistils in the melanthioid tribes, Hewardieae, Petrosavieae and Tricyrteae, are uniformly tricarpellate and syncarpous. They lack raphide idioblasts. All are multiovulate, with bitegmic ovules. The Petrosavieae are marked by the presence of septal glands and incomplete syncarpy. Tepals and stamens adhere to the ovary in the Hewardieae and the Petrosavieae but not in the Tricyrteae. Two vascular bundles occur in the stamens of the Hewartlieae and Tricyrtis latifolia. Ventral bundles in the upper part of the ovary of the Hewardieae are continuous with compound septal bundles and placental bundles in the lower part. Putative ventral bundles occur in the alternate position in the Tricyrteae and putative placental bundles in the opposite. position in the Petrosavieae. The dichtomously branched stigma in each carpel of the Tricyrteae is supplied by a bifurcated dorsal bundle.     

Enterovirus 71 3C proteolytically processes the histone H3 N-terminal tail during infection

Highlights
1. The N-terminal tail of histone H3 is specifically cleaved during EV71 infection.
2. Viral protease 3C is identified as a protease responsible for proteolytically processing the N-terminal H3 tail.
3. Our finding reveals a new epigenetic regulatory mechanism for Enterovirus 71 in virus-host interactions.     

Detection of EBV and HHV6 in the Brain Tissue of Patients with Rasmussen’s Encephalitis

Rasmussen’s encephalitis (RE) is a rare pediatric neurological disorder, and the exact etiology is not clear. Viral infection may be involved in the pathogenesis of RE, but conflicting results have reported. In this study, we evaluated the expression of both Epstein-Barr virus (EBV) and human herpes virus (HHV) 6 antigens in brain sections from 30 patients with RE and 16 control individuals by immunohistochemistry. In the RE group, EBV and HHV6 antigens were detected in 56.7% (17/30) and 50% (15/30) of individuals, respectively. In contrast, no detectable EBV and HHV6 antigen expression was found in brain tissues of the control group. The co-expression of EBV and HHV6 was detected in 20.0% (6/30) of individuals. In particular, a 4-year-old boy had a typical clinical course, including a medical history of viral encephalitis, intractable epilepsy, and hemispheric atrophy. The co-expression of EBV and HHV6 was detected in neurons and astrocytes in the brain tissue, accompanied by a high frequency of CD8⁺ T cells. Our results suggest that EBV and HHV6 infection and the activation of CD8⁺ T cells are involved in the pathogenesis of RE.     

Perinatal Vertical Transmission of Chikungunya Virus in Ruili,a Town on the Border between China and Myanmar

正Dear Editor,Chikungunya virus (CHIKV), an arbovirus in the family of Togaviridae, genus Alphavirus, is transmitted by the A.aegyptii or A. albopictus mosquito, and causes disease in humans characterized by fever, rash, and arthralgia (Silva and Dermody 2017; Suhrbier 2019). It was first reported in 1953 in Tanzania, and caused only a few outbreaks and sporadic cases in Africa and Asia in last century. However, in the epidemic in 2004, CHIKV acquired mutations that conferred enhanced transmission by the A. albopictus mosquito(Schuffenecker et al. 2006). Since then, it has successively caused outbreaks in Africa, the Indian Ocean, South East Asia, the South America, and Europe (Zeller et al. 2016).     

Development of a Novel Reverse Transcription Loop-Mediated Isothermal Amplification Method for Rapid Detection of SARS-CoV-2

In conclusion, the novel visual RT-LAMP assay is a simple, rapid, and sensitive approach for detection of SARS-CoV-2, and it is ready for application in primary care and community hospitals or health care centers, and even patients' own houses in response to the current SARS-CoV-2 epidemic because the assay does not require sophisticated equipment and skilled personnel. Furthermore, it is also ready to be used in fields for screening samples from wild animals and environments to facilitate the identification of potential intermediate hosts that mediate the cross-species transmission of SARS-CoV-2 from bats to humans.