中国花天牛亚科三新种记述：鞘翅目：天牛科

本文了中国花天牛亚科３新种－卵斑长颊瘦花牛Ｇｎａｔｈｏｓｔｒａｎｇａｌｉａ ｅｌｌｉｐｔｉｃａ,ｓｐ．ｎｏｖ。,暗背脊花天牛Ｓｔｅｎｏｃｏｒｕｓ ｆｕｓｃｏｄｏｒａｌｉｓ,ｓｐ．ｎｏｖ．,四斑短腿瘦花天牛Ｐｅｄｏｓｔｒａｎｇａｌｉａ ｑｕａｄｒｉｍａｃｕｌａｔａ,ｓｐ．ｎｏｖ。模式标本存西农业大学昆虫标本馆。     

沟胫天牛族三新种记述(鞘翅目:天牛科:沟胫天牛亚科)

记述了沟胫天牛亚科沟胫天牛族Ａｇｎｉｎｉ３新种,即双斑齿胫天牛Ｐａｒａｌｅｐｒｏｄｅｒａ ｂｉｍａｃｕｌａｔａ ｓｐ．ｎｏｖ．,云南棱柄天牛Ｎａｎｏｈａｍｍｕｓ ｙｕｎｎａｎａ ｓｐ．ｎｏｖ．和白斑肖墨天牛Ｘｅｎｏｈａｍｍｕｓ ａｌｂｏｍａｃｕｌａｔａ ｓｐ．ｎｏｖ．。新种模式标本保存于西南农业大学昆虫标本馆。     

中国污天牛属二新种记述(鞘翅目:天牛科)

记述了中国污天牛属Ｍｏｒｃｈｏｔｙｐａ ２新种，即斑胸污天牛Ｍ．ｎｉｇｒｉｃｏｌｌｉｓ Ｗａｎｇ ｅｔ Ｊｉａｎｇ，ｓｐ．ｎｏｖ．和瘤胸污天牛Ｍ．ｔｕｂｅｒｃｕｌｉｃｏｌｌｉｓ Ｗａｎｇ ｅｔ Ｊｉａｎｇ，ｓｐ．ｎｏｖ。模式标本保存在西南农业大学昆虫标本馆。     

中国沟胫天牛亚科一新属及一新种（鞘翅目：天牛科）

本文记述天牛科沟胫天牛亚科１新属，球胸天牛属Ｇｉｂｂｏｈａｍｍｕｓｇｅｎ．ｎｏｖ．和１新种：缩颈球胸天牛Ｇｉｂｂｏｈａｍｍｕｓｓｔｒｉｃｔｉｃｏｌｌｉｓｓｐ．ｎｏｖ。     

中国泥色天牛属Uraecha Thomson分类研究（鞘翅目：天牛科：沟胫天 …

记述泥色天牛属Ｕｒａｅｃｈａ的主要特征及地理颁由,并报道１新种：龙州泥色天牛Ｕｒａｅｃｈａ ｌｏｎｇｚｈｏｕｅｎｓｉｓ,ｓｐ．ｎｏｖ．,编制了我国已知９种的检索表。新种的模式标本保存在西南农业大学听话纱昆虫标本馆。     

中国纳天牛属二新种记述（鞘翅目：天牛科）

纳天牛属 Ｎｅｄｉｎｅ Ｔｈｏｍ ｓｏｎ, １８６４ 隶属于棒角天牛族 Ｒｈｏｄｏｐｉｎｉ,全球已知３种,分布于东南亚,我国尚无记录。该属的主要特征是触角显较体长,下沿有较密的缨毛,第２节与第４节近等长;体背相当拱隆略呈纺锤形;足较长,腿节呈棒状,后足腿节甚长,几伸达鞘翅末端,后足第１跗节近等长于第２、３节之和。新种模式标本保存于西南农业大学植物保护系昆虫标本馆。１． 刺翅纳天牛 Ｎｅｄｉｎｅ ｓｕｂｓｐｉｎｏｓａ, 新种 （图１～４）新种与 Ｎｅｄｉｎｅ ｌｏｎｇｉｐｅｓ Ｔｈｏｍ ｓｏｎ, １８６４ 较接近,主要区别为体红褐色而非灰褐色,鞘翅基部中央具１角状瘤突,鞘翅隐现３条灰白色绒毛横带而非被一色绒毛等。正模♂,云南付宁剥隘,１９７９－ Ⅴ－ ２,尹耀宜采;副模１♂,采集记录同正模。２． 麻斑纳天牛 Ｎｅｄｉｎｅ ｓｐａｒａｔｉｓ, 新种 （图５～８）本新种与刺翅纳天牛 Ｎ． ｓｕｂｓｐｉｎｏｓａ ｓｐ． ｎｏｖ． 的主要区别为体被均匀一致的绒毛,鞘翅无基瘤及淡色横带,触角下沿具更密而长的缨毛;雄性外生殖器的阳基侧突较短,中茎侧面中部具横凹陷等。正模♂,云南墨江,１９８０－ Ⅵ－ ５,刘芬采。     

中国天牛科二新记录种

本文记述采自中国吉林的花天牛亚科Ｌｅｐｔｕｒｉｎａｅ中国２新记录种,即显突花天牛属Ｍａｃｒｏｐｉｄｏｎｉａ的红胸显突花天牛Ｍ．ｒｕｆｉｃｏｌｉｓＰｉｃ和宽翅花天牛属Ｊｕｄｏｌｉｄｉａ的庞氏宽翅花天牛Ｊ．ｂａｎｇｉ（Ｐｉｃ）。     

云南鹤庆盆地晚第四纪介形类新属种

云南鹤庆盆地晚第四纪（１５ ０００－１２ ０００ａＢＰ）ＨＱ钻孔剖面建立介形类２新属６新种,即玻璃介科的Ｃａｎｄｏｎａ ｐａｒｕａ ｓｐ．ｎｏｖ．,Ｙｕｎｎａｎｉｃａｎｄｏｎａ ｏｂｌｏｎｇａ ｓｐ．ｎｏｖ．,Ｌｉｎｅｏｃｙｐｒｉｓ ｇｒａｎｕｌｏｓａ ｓｐ．ｎｏｖ．,Ｌ．ｇｉｂｂａ ｓｐ．ｎｏｖ．以及湖花介科的Ｐａｒａｃｈｉｎｏｃｙｔｈｅｒｅ ｒｅｔｉｃｕｌａｔａ ｇｅｎ．ｅｔ ｓｐ．ｎｏｖ．,     

四川丽蝇族三新种：双翅目：丽蝇科

１９８０－１９９４年在四川一些地区采获的蝇类标本中,发现丽蝇族Ｃａｌｌｉｐｈｏｒｉｎｉ３新种,分别命名为二郎山蚓蝇Ｏｎｅｓｉａ ｅｒｌａｎｇｓｈａｎｅｎｓｉｓ ｓｐ．ｎｏｖ．花蚓蝇Ｏｎｅｓｉａ ｆｌｏｒａ ｓｐ．ｎｏｖ．大叶陪丽蝇Ｂｅｌｌａｒｄｉａ ｍｅｇａｌｏｂａ ｓｐ．ｎｏｖ．,模式示本存于作者所在单位。     

中国脊花天牛属一种（鞘翅目：天牛科）

记述中国花天牛亚科1新种－－裂跗脊花天牛Stenoconus schizotarsus,sp.nov.,模式标本存西南农业大学昆虫标本馆。     

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.