中国云南省庭蚱属二新种记述(直翅目,蚱科)

记述采自云南省西部地区的庭蚱属2新种:皱背庭蚱Hedotettix rugodorsalis sp.nov.和黑背庭蚱Hedotettix eremnotus sp.nov..模式标本保存于陕西师范大学动物研究所昆虫标本室.     

中国柯蚱属分类研究(直翅目: 蚱科)

整理记述分布于我国的柯蚱属种类共12种, 其中有2新种, 即龙滩柯蚱Coptotettix longtanensis sp. Nov. 及断脊柯蚱C. rupticosta sp. Nov.; 将断隆线柯蚱C. interrupta Zheng et Mao 转入庭蚱属Hedotettix; 贡柯蚱C. fugongensis Zheng et Mao 被确认为龙江柯蚱C. longjiangensis heng et Wei 的同物异名。模式标本保存于陕西师范大学动物研究所标本室。     

广西南部地区蚱总科一新属和七新种

记述采自广西南部地区蚱总科一新属七新种,即横刺郑蚱Zhengitettix transpicula sp.nov.,拟奇蚱属Miriatroides gen.nov.,方顶拟奇蚱Miriatroides quadrivertex sp.nov., 长背蟾蚱Hyboella longinota sp.nov.,二瓣庭蚱Hedotettix bivalvatus sp.nov.,防城柯蚱Coptotettix fangchengensis sp.nov.,桂南蚱Tetrix guinanensis sp.nov.,波股悠背蚱Euparatettix sinufemoralis sp.nov。模式标本保存于陕西师范大学动物研究所标本室。     

中国贵州庭蚱属一新种记述（直翅目：蚱总科：蚱科）

记述采自贵州罗甸地区庭蚱属Hedotettix Bolívar 1新种,即圆肩庭蚱Hedotettix circinihumerus Deng & Zheng sp. nov.。该新种近似于狭顶庭蚱Hedotettix strictivertex Zheng (2006),主要区别：头顶宽度狭于一眼宽度的1.2倍;侧面观,背板上缘肩前略波状,肩后平直;肩角圆弧形,侧缘在肩后收缩;中足股节下缘波状,中足股节的宽度宽于前翅能见部分的宽度;后足胫节外侧具刺11–12个;后足第1跗节下之第3垫大于第1、2垫,各垫顶尖。     

广西西北部布柳河地区蚱总科四新种记述(直翅目:蚱总科)

本记述采自广西布柳河地区蚱总科昆虫4新种,即拟宽股庭蚱Hedotettix latifemoroides．sp．nov．,拟瘤背蚱Tetrix torulosinotoides,sp．nov．,平缘蚱Tetrix rectimargina,sp．nov．及拟黑背悠背蚱Euparatettix pseudomelanotus,sp．nov．此外还首次记述短翼蚱科波蚱属的二种雌性及一种雄性,即荔波波蚱Bolivaritettix liboensis Zheng et al,黄条波蚱Bolivaritettix luteolineatus Zheng et al及圆肩波蚱Bolivaritettix circimhumerus Zheng,模式标本保存于陕西师范大学动物研究所标本室。     

中国蚱属一新种记述（直翅目：蚱科：蚱亚科）

记述蚱属1新种:苍山蚱Tetrix cangshanensis sp.nov.,提供了新种的形态特征照片图.苍山蚱Tetrix cangshanensis sp.nov.与拟二斑蚱T.parabipunctata Zheng&Ou,2004和二斑蚱T.bipunctata(Linnaeus,1758)相似,但以直的颜面隆起,较高的触角着生位置和直的前胸背板前缘区别于后二者,同时以较短的后翅区别于拟二斑蚱;还以较狭的颜面隆起纵沟,向内收缩的沟前区侧隆线和波曲的中足股节下缘区别于二斑蚱.     

应用COⅠ基因序列探讨中国蚱总科四亚科部分物种的系统发生关系(英文)

通过测定蚱科26种蚱的线粒体DNA细胞色素c氧化酶Ⅰ基因的部分序列,分析了蚱亚科、短翼蚱亚科、刺翼蚱亚科及股沟蚱亚科部分物种的系统发育关系。以蜢总科的Vandiemenella viatica和Proriferasp.作为外群,构建了MP树和Bayes树。在获得的598bp的序列中,有289个变异位点,253个简约信息位点; A、T、G和C的碱基平均含量分别为31.6% ,32.7% ,19.5% ,16.2% , A+T含量高于G+C含量。分子系统树显示:蚱亚科尖顶蚱属和该亚科其他属的亲缘关系较远,而与短翼蚱亚科的狭顶蚱属有较近的亲缘关系。尖顶蚱属的广西尖顶蚱聚在短翼蚱科内,与该亚科的尖翅狭顶蚱形成姐妹群且支持两者关系的置信度很高,广西尖顶蚱不应属于蚱亚科尖顶蚱属。龙滩柯蚱与蚱属的桂南蚱形成姐妹关系,而庭蚱属的细庭蚱聚在柯蚱属中,且蚱亚科柯蚱属的防城柯蚱与刺翼蚱亚科的二刺羊角蚱形成姐妹关系,因此柯蚱属不是单系群,作为一个单独的属是可疑的;蚱属不是单系群,日本蚱也不是蚱属中的原始物种,锯齿股蚱和粗体蚱碱基序列完全相同,再次证明二者为同一物种。     

中国云南省怒江峡谷短翼蚱科二新种(直翅目)

记述釆自云南省怒江峡谷地区短翼蚱科2新种,即突眼狭顶蚱Systolederus oculatus sp.nov.及高黎贡山波蚱Bolivaritettix gaoligongshanensis sp.nov.。突眼狭顶蚱近似于广西狭顶蚱Systolederus guangxiensis Zheng etJiang,1998及峨眉狭顶蚱Systolederus emeiensis Zheng,1998。突眼狭顶蚱与两种的区别为:1)侧面观前胸背板上缘平直;2)前胸背板后突到达后足胫节顶末端;3)雌性下生埴板后缘具3齿;4)后足胫节黑色,具淡色环。区别于广西狭顶蚱为:1)前胸背板前缘中央微凹;2)肩部之间不具1对短纵隆线。其又区别于峨眉狭顶蚱为:1)前胸背板中隆线全长明显;2)后翅到达后突的顶末端。高黎贡山波蚱近似于九万山波蚱Bolivaritettix juwanshanensis Zheng,2005及宽顶波蚱Bolivaritettix lativertex Brunner von Wattenwyl,1893。主要区别于二者为:1)颜面隆起纵沟宽狭于触角基节宽;2)肩角圆形;3)后突到达后足胫节2/3处;4)中足股节宽狭于前翅宽;5)后足股节上侧中隆线后段具3个突起。其又区别于九万山波蚱为:1)头顶宽为1眼宽的1.5倍;2)侧面观前胸背板上缘平直;3)后翅到达后突顶末端。     

云南省蚱属四新种记述(直翅目,蚱科)

记述采自云南省无量山及丽江地区蚱属昆虫4新种,即拟二斑蚱Tetrix parabipunctata sp.nov.、拟毛股蚱Tetrix parabarbifemura sp.nov.、黑缘蚱Tetrix nigrimarginis sp.nov.及无斑蚱Tetrix nonmaculata sp.nov..模式标本保存于西南林学院保护生物学学院昆虫标本室.     

中国四川省无翅蚱属二新种(直翅目,蚱总科,蚱科)

记述采自四川省无翅蚱属Aalatettix 2新种,即驼背无翅蚱Aakatettix gibbosasp.nov.和乐山无翅蚱Aalatettix leshanensis sp.nov.。模式标本保存于陕西师范大学动物研究所昆虫标本室。     

Protein Ser/Thr/Tyr Phosphorylation in the Archaea

The third domain of life, the Archaea (formerly Archaebacteria), is populated by a physiologically diverse set of microorganisms, many of which reside at the ecological extremes of our global environment. Although ostensibly prokaryotic in morphology, the Archaea share much closer evolutionary ties with the Eukarya than with the superficially more similar Bacteria. Initial genomic, proteomic, and biochemical analyses have revealed the presence of “eukaryotic” protein kinases and phosphatases and an intriguing set of serine-, threonine-, and tyrosine-phosphorylated proteins in the Archaea that may offer new insights into this important regulatory mechanism.     

C-Glycosylxanthones in the Fern Genus Athyrium

The C-glycossylxanthones, mangiferin and isomangigerin, have been detected in three species of Athyrium but appeared to be absent in 55 other species. The compounds appear to be of little value as taxonomic characters in the genus Athyrium or the subfamily Athyioideae.     

Oo mutations in the galactose operon in E. coli

Summary Eleven mutants lacking the three enzymes of galactose fermentation were investigated.Eight of the mutants revert spontaneously to the Gal ⁺ phenotype. These cannot be deletions. Six of these spontaneously reverting mutants do not respond to the mutagens 2-aminopurine, ethyl-methanesulfonate and N-Methyl-N-Nitro-N-nitrosoguanidine. It is concluded that these o ^o mutations cannot be reverted by base substitution.The eleven o ^o mutants are not of the amber or ochre type as shown by their behaviour towards suppressor genes.The possible nature of the mutations is discussed.     

Arrangement of the light-harvesting chlorophyll a/b protein complex in the thylakoid membrane

The transverse orientation of the light-harvesting chlorophyll a/b protein complex of Photosystem II (LHC II) in the thylakoid membrane of pea was investigated using surface radioiodination with Iodo-Gen^TM. The labelling effects on LHC II of four different membrane preparations were compared. One preparation was oriented right-side-out (intact thylakoids); two of them had an inside-out orientation exposing the lumenal surface (inside-out vesicles; PS II particles) and one had both sides of the membrane exposed (mechanically damaged thylakoids). It was found that LHC II could be iodinated only in membrane preparations with an exposed lumenal surface. Isolated apoproteins were chemically cleaved. Fragments analysis revealed a tyrosine residue located eight amino acids from the C-terminus as the single iodination site. It is concluded that the C-terminus of LHC II points towards the lumental side of the thylakoid. Differences in the labelling behaviour of the LHC apoproteins could be assigned to a heterogeneity in the C-terminal region in which the tyrosine residue is replaced by phenylalanine.     

Molecular Basis for the rhino (hr)Phenotype: A Nonsense Mutation in the MousehairlessGene

The hairless (hr) and rhino (hr^rh) mutations are autosomal recessive allelic mutations that map to mouse Chromosome 14. Both hairless and rhino mice have a number of skin and nail abnormalities and develop a striking form of total alopecia at approximately 3–4 weeks of age. The molecular basis of the hairless mouse phenotype was previously found to be the result of a murine leukemia proviral insertion in intron 6 of thehrgene that resulted in aberrant splicing. In this study, we report a 2-bp substitution in exon 4 of thehrgene in a second allele ofhr,rhino 8J (hr^rh-8J), leading to a nonsense mutation. These findings document the molecular basis of the rhino phenotype for the first time and suggest that rhino is a functional knock-out of thehrgene.     

Analysis of the native conformation of the LIR/AIM motif in the Atg8/LC3/GABARAP-binding proteins

The Atg8/LC3/GABARAP family of proteins, a group that has structural homology with ubiquitin, connects with a large set of binding partners to function in macroautophagy (hereafter autophagy). This interaction occurs primarily via a conserved motif termed the LC3-interacting region (LIR), or the Atg8-interacting motif (AIM). The consensus sequence for this motif, [W/F/Y]xx[L/I/V], can be found in many proteins, but only some of them are physiological partners containing a functional LIR/AIM. Because the structure of many full-length partners has not been, or cannot be, solved, the structural context of the LIR/AIM within the native protein conformation is not obvious. Here we suggest that the functional LIR/AIM is a short linear motif (SLiM) protein-binding module, arising from an intrinsically disordered region. This finding enables the rapid elimination of some false Atg8/LC3/GABARAP-binding proteins, and connects the exponentially growing knowledge on disordered SLiMs with autophagy.     

Hox genes in the echiuroid Urechis unicinctus

An echiuroid species, Urechis unicinctus, was surveyed for Hox genes using polymerase chain reaction with homeobox-specific degenerate primers. We identified nine distinct homeodomain-containing gene fragments. These nine fragments were classified by comparative analysis. This analysis revealed that this echiuroid possessed at least three Hox genes from the anterior group, five from the central group, and one from the posterior group.Sung-Jin and Dae-Hee Lee contributed equally to this work.An erratum to this article can be found at