中国窗翅叶蝉属三新种和一新纪录种（同翅目：大叶蝉科）

记述窗翅叶蝉属３新种,枝茎窗翅叶蝉Ｍｉｌｅｅｗａｂｒａｎｃｈｉｕｍａ,ｓｐ．ｎｏｖ黑尾窗翅叶蝉Ｍ．ｎｉｇｒｉｃａｕｄａｓｐ．ｎｏｖ,和褐点窗翅叶蝉Ｍ．ｍｉｒａｓｐ．ｎｏｖ,对它们的形态特征和雄性外生殖器构造作了详细描述,并附主要特科,中国新纪录种：乌苏窗翅叶蝉Ｍ．ｕｓｓｕｒｉｃａＡｎｕｆｒｉｅｖ在本文中记载。     

中国大叶蝉亚科三新种记述（同翅目：叶蝉科）

记述中国叶蝉科大叶蝉亚科斑大叶蝉属Ａｎａｔｋｉｎａ Ｙｏｕｎｇ１新种－－左氏斑大叶蝉Ａｎａｔｋｉｎａ ｚｕｏｉ,ｓｐ．ｎｏｖ．及条大叶蝉属Ａｔｋｉｎｓｏｎｉｅｌｌａ Ｄｉｓｔａｎｔ２新种－－李氏条大叶蝉Ａｔｋｉｎｓｏｎｉｅｌｌａ ｌｉｉ,ｓｐ．ｎｏｖ．黄氏条大叶蝉Ａｔｋｉｎｓｏｎｉｅｌｌａ ｈｕａｎｇｉ,ｓｐ．ｎｏｖ．。模式标本保存在西北农林科技大学昆虫博物馆。     

广头叶蝉属二新种：同翅目：叶蝉科：广头叶蝉亚科

本文记述采用自河南伏牛山区的广头叶蝉属Ｍａｃｒｏｐｓｉｓ Ｌｅｗｉｓ,１８３４二新种：旱柳广头叶蝉Ｍ．ｍａｔｓｕｄａｎｉｓ Ｗｅｉ ｅｔ Ｃａｉ,ｓｐ．ｎｏｖ．和大麻广头叶蝉Ｍ．ｃａｎｎａｂｉｓ Ｗｅｉ ｅｔ Ｃａｉ,ｓｐ,ｎｏｖ．模式标本保存在安徽农业大学。     

中国缺突叶蝉属三新种：同翅目：叶蝉科

本文记述缺突叶蝉属ＴｒｏｃｎａｄｅｌｌａＰｒｕｔｈｉ３新种,即盾缺突叶蝉Ｔ．ｔｅｓｔａｃｅａｓｐ．ｎｏｖ．;褐翅缺突叶蝉Ｔ．ｆｕｓｃｉｐｅｎｎｉｓｓｐ．ｎｏｖ．;带纹缺突叶蝉Ｔ．ｆａｓｃｉａｎａｓｐ．ｎｏｖ．。详细描述每个新种的外部形态特征,并与近似种比较区别,附主要特征图。     

横脊叶蝉科－新属三新种（同翅目：叶蝉总科）

本文记述横脊叶蝉科Ｅｖａｃａｎｔｈｉｄａｅ１新属,凸冠叶蝉属Ｃｏｎｖｅｘａｎａｇｅｎ．ｎｏｖ．,３新种：黑额凸冠叶蝉Ｃｏｎｖｅｘａｎａｎｉｇｒｉｆｒｏｎｔａｓｐ．ｎｏｖ．;白脊凸冠叶蝉Ｃｏｎｖｅｘａｎａａｌｂｉｃａｒｉｎａｔａｓｐ．ｎｏｖ．;红色凸冠叶蝉Ｃｏｎｖｅｘａｎａｒｕｆａｓｐ．ｎｏｖ．。详细描述新属的外部形态及雄性外生殖器特征,并与近似属ＯｎｕｋｉａＭａｔｓｕｍｕｒａ１９１２相比较。     

福建武夷山条大叶蝉属一新种(同翅目:大叶蝉科)

本文记述条大叶蝉属１新种：指突条大叶蝉Ａｔｋｉｎｓｏｎｉｅｌｌａ ｄａｃｔｙｌｉａ Ｙａｎｇ ｅｔ Ｌｉ,ｓｐ．ｎｏｖ．。文中详细描记了新种的外部形态牲和雄虫外生殖器构造,并附主要特征图。     

中国网翅叶蝉属一新种(同翅目:叶蝉科:圆痕叶蝉亚科)

本文记述网翅叶蝉属Ｄｒｙｏｄｕｒｇａｄｅｓ Ｚａｃｈｖａｔｋｉｎ一新种：齿突网翅叶蝉Ｄ．ｄｅｎｔｉｓｔｙｌｕｓ ｓｐ．ｎｏｖ．。模式标本保存于贵州农学院。     

耳叶蝉属四新种：（同翅目：耳叶蝉科）

本文记述耳叶蝉科耳叶蝉属四新种：１．浅斑耳叶蝉Ｌｅｄｒａ ｐａｌｌｉｄａ ｓｐ．ｎｏｖ．,２．片脊耳叶蝉Ｌｅｄｒａ ｌａｍｅｌｌａ ｓｐ．ｎｏｖ．,３．黑纹耳叶蝉Ｌａｄｒａ ｎｉｇｒｏｌｉｎｅａｔａ ｓｐ．ｎｏｖ．,４．明冠耳叶蝉Ｌｅｄｒａ ｈｙａｌｉｎａ ｓｐ．ｎｏｖ．。标本分别采自我国西藏、云南及安徽省。模式标本保存于安徽农学院。     

突大叶蝉属三新种：（同翅目：叶蝉总科）

本文记述同翅目Ｈｏｍｏｐｔｅｒａ叶蝉总科Ｃｉｃａｄｅｌｌｏｉｄｅａ大叶蝉科Ｃｉｃａｄｅｌｌｉｄａｅ突大叶蝉属Ｇｕｎｕｎｇｉｄｉａ三新种。红颜突大叶蝉Ｇｕｎｕｎｇｉｄｉａ ｒｕｎｕｎｇｉｄｉａ ｒｕｂｅｓｃｅｎｓ ｓｐ．ｎｏｖ．,锈面突大叶蝉Ｇ．ｒｕｂｉｇｉｎｏｓｅ ｓｐ．ｎｏｖ．与白翅突大叶蝉Ｇ．ａｌｂａｔａ ｓｐ．ｎｏｖ．。采自中国南方。     

脊翅叶蝉族一新属一新种：同翅目：叶蝉科：缘脊叶蝉亚科

本文记述中国缘脊叶蝉亚科脊翅叶蝉族１新属－丽斑叶蝉属Ｒｏｘａｓｅｌｌａｎａｇｅｎ．ｎｏｖ．及１新种－星茎丽斑叶蝉Ｒｏｘａｓｅｌｌａｎａｓｔｅｌｌａｔａｓｐ．ｐ．ｎ．。     

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.