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Contribution to the Knowledge of the Afrotropical Spilomelinae (Lepidoptera, Crambidae): Three New Species and One Taxonomic Update in the Tribes Margaroniini Swinhoe & Cotes, 1889 and Agroterini Acloque, 1897, from Saudi Arabia
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作者 Michael Seizmair 《Advances in Entomology》 2025年第1期75-93,共19页
Taxonomic and faunistic results on three genera in the tribes Margaroniini Swinhoe & Cotes, 1889 and Agroterini Acloque, 1897—Omiodes Guinée, 1854, Patania Moore, 1888 and Notarcha Meyrick, 1884 are presente... Taxonomic and faunistic results on three genera in the tribes Margaroniini Swinhoe & Cotes, 1889 and Agroterini Acloque, 1897—Omiodes Guinée, 1854, Patania Moore, 1888 and Notarcha Meyrick, 1884 are presented, based on material sampled in the Afrotropical part of the Arabian Peninsula, in the south-western province of Jizan, Saudi Arabia. Omiodes undularis sp.n., Patania orbiscularis sp.n. and Patania rhomboidalis sp.n. are newly described. Of Omiodes undularis sp.n., the adults, male genitalia, and tympanal organs are described and figured. The female genitalia are unknown. The Afrotropical and Oriental species of the genus potentially related to the new species by external characters are reviewed. The differential character states distinguishing the new species from the closest related Omiodes indicata (Fabricius, 1775) are listed. The adults and male genitalia of Patania orbiscularis sp.n. are described and figured. The female genitalia are unknown. The species most closely related in the male genitalia is Patania tchadalis (Leraut, 2005). The differential character states are listed. Of Patania rhomboidalis sp.n., the adults, female genitalia, and tympanal organs are described and figured. The new species is externally closely related to Patania tchadalis (Leraut, 2005), Patania harutai (Inoue, 1955), Patania crepuscularia Matsui & Naka, 2023, Patania accipitralis (Walker, 1866) and Patania fraterna (Moore, 1885) externally and in the female genitalia. The external and internal differential character states are listed. A determination key to the newly described Arabian species of the genus Patania Moore, 1888 and their closest relatives is given. The female genitalia of Notarcha viridalis Seizmair, 2021 attributed to the Notarcha quaternalis (Zeller, 1852) species complex, are described for the first time. The species is reported as new to the fauna of Saudi Arabia. A determination key based on the internal morphology of the species of the Notarcha quaternalis (Zeller, 1852) species complex is given. 展开更多
关键词 PYRALOIDEA taxonomy New Species Omiodes Patania Notarcha Distribution Arabian Peninsula
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Molecular phylogeny and taxonomy of Phlomoides(Lamiaceae subfamily Lamioideae)in China:Insights from molecular and morphological data
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作者 Yue Zhao Ya-Ping Chen +8 位作者 Bryan T.Drew Fei Zhao Maryam Almasi Orzimat T.Turginov Jin-Fei Xiao Abdul G.Karimi Yasaman Salmaki Xiang-Qin Yu Chun-Lei Xiang 《Plant Diversity》 SCIE CAS CSCD 2024年第4期462-475,共14页
Phlomoides,with 150-170 species,is the second largest and perhaps most taxonomically challenging genus within the subfamily Lamioideae(Lamiaceae).With about 60 species,China is one of three major biodiversity centers ... Phlomoides,with 150-170 species,is the second largest and perhaps most taxonomically challenging genus within the subfamily Lamioideae(Lamiaceae).With about 60 species,China is one of three major biodiversity centers of Phlomoides.Although some Phlomoides species from China have been included in previous molecular phylogenetic studies,a robust and broad phylogeny of this lineage has yet to be completed.Moreover,given the myriad new additions to the genus,the existing infrageneric classification needs to be evaluated and revised.Here,we combine molecular and morphological data to investigate relationships within Phlomoides,with a focus on Chinese species.We observed that plastid DNA sequences can resolve relationships within Phlomoides better than nuclear ribosomal internal and external transcribed spacer regions(nrITS and nrETS).Molecular phylogenetic analyses confirm the monophyly of Phlomoides,but most previously defined infrageneric groups are not monophyletic.In addition,morphological analysis demonstrates the significant taxonomic value of eight characters to the genus.Based on our molecular phylogenetic analyses and morphological data,we establish a novel section Notochaete within Phlomoides,and propose three new combinations as well as three new synonyms.This study presents the first molecular phylogenetic analyses of Phlomoides in which taxa representative of the entire genus are included,and highlights the phylogenetic and taxonomic value of several morphological characters from species of Phlomoides from China.Our study suggests that a taxonomic revision and reclassification for the entire genus is necessary in the future. 展开更多
关键词 Lamioideae Molecular phylogenetics MORPHOLOGY Phlomideae taxonomy
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Taxonomy of Two New Peritrich Ciliates(Protozoa:Ciliophora)from Inland Saltwaters of China
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作者 YU Ying ZHANG Yong +2 位作者 LIANG Ziyao LI Jiqiu LIN Xiaofeng 《Journal of Ocean University of China》 SCIE CAS CSCD 2024年第3期811-821,共11页
The inland saltwater lakes harbor exceptional biodiversity.Here,two new species of solitary sessile peritrich ciliates were isolated from Qinghai Lake,the largest inland saltwater lake in China.Their morphology,ciliat... The inland saltwater lakes harbor exceptional biodiversity.Here,two new species of solitary sessile peritrich ciliates were isolated from Qinghai Lake,the largest inland saltwater lake in China.Their morphology,ciliature,silverline system,and molecular phylogeny were investigated based on live observation,silver staining,and analysis of the small subunit ribosomal DNA(SSU rDNA).Vorticella paraglobosa sp.n.is characterized mainly by its obconical or elongate bell-shaped zooid,C-shaped macronucleus,single ventrally located contractile vacuole,two-rowed infundibular polykinety 3,and 28-38 silverlines between peristome and aboral tro-chal band and 10-15 between aboral trochal band and scopula.Vorticella cotyliformis sp.n.differs from its congeners mainly by its double-layered peristomial lip,cup-shaped zooid,J-shaped macronucleus,single ventrally positioned contractile vacuole,three-rowed infundibular polykinety 3,and 70-85 silverlines between peristome and aboral trochal band and 21-25 between aboral trochal band and scopula.The SSU rDNA sequences of the two new species were obtained,and the subsequent molecular phylogenetic analysis supported their taxonomic classification. 展开更多
关键词 molecular phylogeny morphology new species Qinghai Lake taxonomy
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A Comparative Analysis of Cybersecurity Threat Taxonomies for Healthcare Organizations
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作者 Mahima Jaikanth Vijay K. Madisetti 《Journal of Software Engineering and Applications》 2024年第5期359-377,共19页
Information technology is critical in coordinating patient records, smart devices, operations, and critical infrastructure in healthcare organizations, and their constantly changing digital environment, including supp... Information technology is critical in coordinating patient records, smart devices, operations, and critical infrastructure in healthcare organizations, and their constantly changing digital environment, including suppliers, doctors, insurance providers, and regulatory agencies. This dependence on interdependent systems makes this sector vulnerable to various information technology risks. Such threats include common cybersecurity risks such as data breaches and malware attacks, unique problems occurring in healthcare settings such as unauthorized access to patient records, disruptions in services provided at medical facilities, and potential harm caused to patients due to the compromise of medical devices. The threat taxonomies, such as the Open Threat Taxonomy, NIST, or ENISA, are foundational frameworks for grasping and categorizing IT threats. However, these taxonomies were not specifically designed to deal with the complexities of the healthcare industry. The problem arises from the gap between these taxonomies’ general nature and the industry-specific threats and vulnerabilities that affect healthcare organizations. As a result, many healthcare institutions fail to holistically address and eliminate the unique risks related to confidentiality, integrity, and availability of patients’ data as well as critical systems used in healthcare. This paper aims to narrow this gap by carefully assessing these taxonomies to determine the frame-work best suited for addressing the threat environment in the healthcare sector. 展开更多
关键词 Threat Taxonomies Open Threat taxonomy (OTT)
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New record of the feather star Palaeocomatella hiwia(Echinodermata:Crinoidea:Comatulida)from Zhenbei Seamount in South China Sea:new insights into the taxonomic position of Palaeocomatella
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作者 Shao’e SUN Zijie MEI +2 位作者 Zhongli SHA Jing WANG Nansheng CHEN 《Journal of Oceanology and Limnology》 SCIE CAS CSCD 2024年第1期244-251,共8页
One specimen belonging to the family Comatellinae was collected from the Zhenbei Seamount(332.5–478.2 m)in the South China Sea in July 2022.Based on the morphological characters,the specimen was identified as Palaeoc... One specimen belonging to the family Comatellinae was collected from the Zhenbei Seamount(332.5–478.2 m)in the South China Sea in July 2022.Based on the morphological characters,the specimen was identified as Palaeocomatella hiwia McKnight,1977.It is first recorded from China Sea and redescribed in detail.This specimen differs from the original description from New Zealand for never showing syzygy at br4+5 or br5+6 on interior and br1+2 on exterior arms.However,it is much conform to the redescription to specimens from Indonesia,with only differences in position of the second syzygy and distalmost pinnule comb.Specimen is deposited in the Institute of Oceanology,Chinese Academy of Sciences.Phylogenetic analyses based on the mitochondrial c oxidase subunit I(COI)and 16S rRNA genes indicated that P.hiwia was nested within the tribe Phanogeniini and clustered with Aphanocomaster pulcher.Furthermore,P.hiwia showed same morphological features in terms of mouth placement,comb location,and number of comb teeth rows as other genera of Phanogeniini.Therefore,we suggest that the genus Palaeocomatella should be put in the tribe Phanogeniini. 展开更多
关键词 new record Palaeocomatella hiwia McKnight 1977 South China Sea phylogenetic relationship taxonomy
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一种基于加权状态选择的LTE NAS协议模糊测试方法
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作者 廖显锋 吴礼发 《信息安全研究》 北大核心 2025年第1期12-20,共9页
NAS协议是LTE(long-term evolution)网络中移动设备与核心网络之间的主要控制面协议,其安全性对于保障整个4G网络稳健安全运行具有重要意义.模糊测试是一种广泛使用的漏洞挖掘技术,现有的模糊测试方法应用于NAS(non-access stratum)协... NAS协议是LTE(long-term evolution)网络中移动设备与核心网络之间的主要控制面协议,其安全性对于保障整个4G网络稳健安全运行具有重要意义.模糊测试是一种广泛使用的漏洞挖掘技术,现有的模糊测试方法应用于NAS(non-access stratum)协议时存在测试效率低、测试用例难以构建等问题.为了解决这些问题,提出了一种基于权重的测试状态选择算法:以NAS协议状态机为基础,根据测试反馈动态地调整每个测试状态的权重;以消息元素IE为最小单位设计了测试用例生成算法;实现了模糊测试工具NASFuzzer并对开源核心网open5GS及真实终端设备进行测试.测试结果表明,该方法能够有效挖掘LTE NAS协议实现中的漏洞. 展开更多
关键词 LTE naS 模糊测试 状态选择 漏洞挖掘
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短b-轴多级孔ZSM-5无Na^(+)合成及催化正庚烷裂解性能
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作者 钟少聪 赵德明 +4 位作者 史会兵 姜海英 王龙 刘纪昌 朱卡克 《石油学报(石油加工)》 北大核心 2025年第1期30-40,共11页
ZSM-5分子筛存在各向异性扩散传质,缩短b-轴长度和构筑多级孔是提升扩散性能的有效途径。发展了将共模板(四丙基氢氧化铵和四丁基氢氧化铵)与致孔剂(聚二烯丙基二甲基氯化铵)相结合的制备方法,在无Na^(+)体系中一步合成了短b-轴多级孔道... ZSM-5分子筛存在各向异性扩散传质,缩短b-轴长度和构筑多级孔是提升扩散性能的有效途径。发展了将共模板(四丙基氢氧化铵和四丁基氢氧化铵)与致孔剂(聚二烯丙基二甲基氯化铵)相结合的制备方法,在无Na^(+)体系中一步合成了短b-轴多级孔道ZSM-5分子筛。结合分子筛结构表征分析,探讨了短b-轴多级孔道ZSM-5分子筛制备过程中,铝源、致孔剂含量和硅/铝摩尔比对其形貌和结构的影响。经过P、La改性后,以正庚烷作为探针分子对其催化裂解性能进行评价。结果表明,短b-轴多级结构可以促进Haag-Dessau机理裂解反应,抑制双分子裂解和氢转移副反应。因此,短b-轴多级孔道ZSM-5分子筛显示出更高的催化活性、轻烯烃收率和选择性,以及更低的芳烃选择性。 展开更多
关键词 ZSM-5 短b-轴 na^(+)体系 轻烯烃 催化裂解
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PXSJ 216F型离子计测定溶液中Na离子含量数据的可行性研究
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作者 陈楠 夏芳 张桂贤 《现代盐化工》 2025年第1期68-69,共2页
中国石油天然气股份有限公司大港石化分公司(简称大港石化)质量检验中心经过多方调研后,购买了PXSJ 216F型离子计(简称离子计),将其用于测定生产装置特定有机样品中的钠(Na)离子含量。经过一系列实验探索,确定了该仪器的最佳使用条件,... 中国石油天然气股份有限公司大港石化分公司(简称大港石化)质量检验中心经过多方调研后,购买了PXSJ 216F型离子计(简称离子计),将其用于测定生产装置特定有机样品中的钠(Na)离子含量。经过一系列实验探索,确定了该仪器的最佳使用条件,同时对该方法的精密度进行了考察。最终验证表明,该方法精密度和准确性较好,且实验操作简单,为生产装置所需数据高效准确的获取提供了必要保障。 展开更多
关键词 na离子含量 PXSJ 216F型离子计 精密度
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Sr_(3)AlO_(4)F∶Eu^(3+),Dr^(3+),Na^(+)发光材料性能
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作者 梁瑞含 赵惠明 +2 位作者 张艳吉 李文霞 米晓云 《发光学报》 北大核心 2025年第3期496-507,共12页
采用高温固相法制备了一系列Sr_(3)AlO_(4)F∶Eu^(3+),Dr^(3+),Na^(+)红色发光材料。使用X射线衍射、扫描电子显微镜、光谱仪等设备对Sr_(3)AlO_(4)F∶Eu^(3+),Dr^(3+),Na^(+)红色发光材料进行检测。Eu^(3+)、Dr^(3+)和Na^(+)的浓度(摩... 采用高温固相法制备了一系列Sr_(3)AlO_(4)F∶Eu^(3+),Dr^(3+),Na^(+)红色发光材料。使用X射线衍射、扫描电子显微镜、光谱仪等设备对Sr_(3)AlO_(4)F∶Eu^(3+),Dr^(3+),Na^(+)红色发光材料进行检测。Eu^(3+)、Dr^(3+)和Na^(+)的浓度(摩尔分数)分别为11%、5%和4%时样品的发光强度最高。导致Eu^(3+)和Dr^(3+)发生浓度猝灭的机制分别为四级-四级相互作用和偶极-偶极相互作用。在Eu^(3+)、Dr^(3+)共掺杂实验中,证明了存在Dr^(3+)向Eu^(3+)的能量传递。此外,加入Na^(+)作为电荷补偿剂提高了Sr_(3)AlO_(4)F的发光性能,加入4%Na^(+)后发光强度提升近4倍。探究了Sr_(3)AlO_(4)F发光材料的热稳定性,在150℃时,共掺杂Eu^(3+)、Dr^(3+)样品的发光强度为30℃时的72.71%。Sr_(3)AlO_(4)F∶Eu^(3+),Dr^(3+),Na^(+)这种新型的红色发光材料有利于提高白光发光二极管的显色指数。 展开更多
关键词 高温固相法 能量传递 光致发光 Sr_(3)AlO_(4)F∶Eu^(3+) Dr^(3+) na^(+) 红色发光材料
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三元材料LiNi_(0.65)Co_(0.15)Mn_(0.2)O_(2)的制备及Na^(+)掺杂改性研究
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作者 杨福 解玉龙 《无机盐工业》 北大核心 2025年第3期43-49,共7页
高镍三元正极材料LiNi_(0.65)Co_(0.15)Mn_(0.2)O_(2)(NCM)因具有比容量高、成本低、环境友好等特点被广泛应用,但其较高的镍含量导致阳离子混排严重,循环和倍率性能差。为了改善上述存在的不足,元素掺杂是一种降低阳离子混排程度和增... 高镍三元正极材料LiNi_(0.65)Co_(0.15)Mn_(0.2)O_(2)(NCM)因具有比容量高、成本低、环境友好等特点被广泛应用,但其较高的镍含量导致阳离子混排严重,循环和倍率性能差。为了改善上述存在的不足,元素掺杂是一种降低阳离子混排程度和增强结构稳定性的有效策略。采用共沉淀法制备了Na^(+)掺杂LiNi_(0.65)Co_(0.15)Mn_(0.2)O_(2)(NCM-x%Na)正极材料(其中x%为物质的量分数)。通过X射线衍射(XRD)和扫描电子显微镜(SEM)手段对NCM-x%Na材料进行形貌和结构表征,通过充放电测试系统对其电化学性能测试。结果表明:Na^(+)掺杂可以有效减小颗粒尺寸和抑制阳离子混排程度,扩大了锂层间距,从而有助于提高锂离子的扩散速率;当x=2时Na^(+)掺杂LiNi_(0.65)Co_(0.15)Mn_(0.2)O_(2)样品(NCM-2%Na)有最佳的电化学性能,在2.7~4.4 V、0.1C下循环100次后放电比容量为139.0 mA·h/g(容量保持率为86%),较NCM高出17%;在2.0C下NCM-2%Na材料放电比容量为82.2 mA·h/g,远远高于未改性的LiNi_(0.65)Co_(0.15)Mn_(0.2)O_(2)(39.4 mA·h/g);在0.1C、0.2C、0.5C、1.0C、2.0C下对其倍率性能测试,其中0.1C倍率下循环25次后NCM-2%Na容量保持率为90%,较NCM高出9%;反应动力学显示,NCM-2%Na有更小的电荷转移电阻,且锂离子扩散系数要高于NCM,使电荷传输动力学得到提升。 展开更多
关键词 高镍 正极材料 LiNi_(0.65)Co_(0.15)Mn_(0.2)O_(2) na^(+)掺杂 倍率性能
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Taxonomic study of the Macrophya ligustri group with two new species of Macrophya Dahlbom(Hymenoptera: Tenthredinidae) from China 被引量:1
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作者 刘萌萌 姬婷婷 +1 位作者 李泽建 魏美才 《Entomotaxonomia》 CSCD 2017年第4期278-287,共10页
Two new species of the Macrophya ligustri group of the genus Macrophya Dahlbom(Hymenoptera: Tenthredinidae) from China are described, namely, M. megapunctata Li, Liu Wei sp. nov. and M. southa Li, Ji Wei sp. nov. T... Two new species of the Macrophya ligustri group of the genus Macrophya Dahlbom(Hymenoptera: Tenthredinidae) from China are described, namely, M. megapunctata Li, Liu Wei sp. nov. and M. southa Li, Ji Wei sp. nov. The division of the M. ligustri group is briefly discussed and a key to all known species of the M. ligustri group from China is provided. 展开更多
关键词 SYMPHYTA TENTHREDINOIDEA SAWFLY taxonomy
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Discussions on taxonomy of genus Betula in northeast China 被引量:1
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作者 周蕴薇 聂绍荃 张玉红 《Journal of Forestry Research》 SCIE CAS CSCD 2002年第3期235-238,252,共4页
Many researches have been carried out on the taxonomy of Betula in northeast of China, but the classification of species and subdivision of species had some divergences at all times, which led to a disorder for develo... Many researches have been carried out on the taxonomy of Betula in northeast of China, but the classification of species and subdivision of species had some divergences at all times, which led to a disorder for developing and utilizing resources of Betula. In this paper, species and subdivision of Betula were classified not only according to the wax sample of Betula but also the comprehensive taxonomy of population characters, geographical distribution, and the habitat. Theconclusion supported the Fu Pei-yuns?(1995) viewpoint of the taxonomy of Betula in the northeast of China. But B. mandshurica (Regel) Nakai should be considered as one single species, the name of B. platyphyla Suk.var phellodendroidesTung should be the synonym of B. platyphyla var platyphyla, and B. ermanii Cham.var.yingkiliensis liou et Wang should be incorporated into B. ermanii Cham. B. ovalifolia Rupr should not be regarded as a variety of B. fruticosa Pall. but as one single species. 展开更多
关键词 taxonomy BETULA Northeast forest region
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Taxonomic study of the genus Dolichocoxys Townsend (Diptera:Tachinidae) in China,with description of one new species 被引量:1
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作者 智妍 刘家宇 张春田 《Entomotaxonomia》 CSCD 2016年第2期112-118,共7页
The genus Dolichocoxys Townsend, 1927 (Diptera: Tachinidae) in China is reviewed and D. unisetus sp. nov. is described as new. Figures of head and terminalia, ecological images of adults, a key to all known species... The genus Dolichocoxys Townsend, 1927 (Diptera: Tachinidae) in China is reviewed and D. unisetus sp. nov. is described as new. Figures of head and terminalia, ecological images of adults, a key to all known species are provided. 展开更多
关键词 Calyptrae Exoristinae Blondelini key taxonomy
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Taxonomic study of the histrio group with a new species of Macrophya Dahlbom (Hymenoptera:Tenthredinidae) from China 被引量:1
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作者 李泽建 刘萌萌 +1 位作者 何小勇 魏美才 《Entomotaxonomia》 CSCD 2016年第2期156-162,共7页
In this paper, the relationships and characteristics of the M. histrio group, which now includes eight known species worldwide, are briefly discussed. A key to the five known species of the M. histrio group known from... In this paper, the relationships and characteristics of the M. histrio group, which now includes eight known species worldwide, are briefly discussed. A key to the five known species of the M. histrio group known from China is provided. Macrophya latidentata Li, Liu Wei sp. nov. of the M. histrio group from Guangdong in China is described. It is similar to M. histrioides Wei, 1998. 展开更多
关键词 SYMPHYTA TENTHREDINOIDEA Tenthredininae taxonomy SAWFLIES Macrophya latidentata
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The taxonomic study of the genus Apodynerus Giordani Soika (Hymenoptera:Vespidae:Eumeninae) from China,with descriptions of two new species 被引量:1
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作者 李廷景 陈斌 《Entomotaxonomia》 CSCD 2016年第2期143-155,共13页
Eight species and one subspecies in the genus Apodynerus Giordani Soika from China are recognized and reviewed, including two new species: Apodynerus protuberantus sp. nov. and A. flavidus sp. nov. both from Yunnan, ... Eight species and one subspecies in the genus Apodynerus Giordani Soika from China are recognized and reviewed, including two new species: Apodynerus protuberantus sp. nov. and A. flavidus sp. nov. both from Yunnan, China. Both new species are described and illustrated and a new rank is proposed for Apodynerus formosensis indicus(A. indicus Giordani Soika, 1994, stat. nov.) and the male of A. indicus is firstly described. In addition, A. indicus Giordani Soika, 1994, A. flavospinosus(Giordani Soika, 1986), and A. icarioides(Bingham, 1897) are newly recorded from China. A key to the Chinese species is provided. 展开更多
关键词 Vespoidea key taxonomy
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Taxonomic studies of the genus Didea Macquart(Diptera:Syrphidae) with description of a new species from China 被引量:1
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作者 霍科科 王天录 《Entomotaxonomia》 CSCD 北大核心 2014年第4期293-299,共7页
We describe a new species in the genus Didea Macquart from China: Didea zhongtiaoshanensis sp.nov. The new species is similar to Didea fasciata Macquart, but differs from the latter by tergite 5 and abdominal sternit... We describe a new species in the genus Didea Macquart from China: Didea zhongtiaoshanensis sp.nov. The new species is similar to Didea fasciata Macquart, but differs from the latter by tergite 5 and abdominal sternites. Type specimens are deposited in the Museum of Animals and Botany, Shaanxi University of Technology. A key to Chinese species in the genus Didea is offered. 展开更多
关键词 Cyclorrhapha Syrphoidea taxonomy key
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2022-2023年山东省A(H1N1)pdm09流感病毒HA、NA基因变异特征分析 被引量:1
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作者 吴巨龙 张淑 +4 位作者 何玉洁 孙林 宋绍霞 孙文魁 刘倜 《中国人兽共患病学报》 CAS CSCD 北大核心 2024年第5期471-477,共7页
目的 了解山东省2022-2023流感监测年度分离的A(H1N1)pdm09亚型流感病毒血凝素(hemagglutinin,HA)和神经氨酸酶(neuraminidase,NA)基因的变异特征,为流感的防控提供科学依据。方法 从流感监测网络实验室分离的流感毒株中按地市随机选取1... 目的 了解山东省2022-2023流感监测年度分离的A(H1N1)pdm09亚型流感病毒血凝素(hemagglutinin,HA)和神经氨酸酶(neuraminidase,NA)基因的变异特征,为流感的防控提供科学依据。方法 从流感监测网络实验室分离的流感毒株中按地市随机选取14株A(H1N1)pdm09亚型流感毒株,以WHO推荐的当季疫苗株为参考进行全基因组测序,并采用荧光法开展神经氨酸酶抑制(neuraminidase inhibition,NI)实验以评估药物敏感性。结果 山东省2022-2023年度分离的A(H1N1)pdm09流感病毒属于6B.1A分支中的5a.2a进化簇,核苷酸序列比对分析显示,HA和NA基因与2021-2023年度北半球疫苗株A/Victoria/2570/2019的亲缘关系较为接近,同源性分别为98.5%~98.7%和98.8%~99.1%。氨基酸序列分析显示,HA蛋白有20个位点发生了氨基酸序列变异,并发现1株病毒可能发生抗原漂移,有3株病毒发生了HA蛋白糖基化位点的缺失。NA酶相关重要位点未发生变异。NI实验显示,所测流感毒株均对抗流感病毒药物敏感。结论 所监测毒株与疫苗株整体同源性很高,但氨基酸存在一定程度变异,今后有必要持续开展流感病毒基因变异特征监测以了解流感流行的风险,以及评价基因变异对流感疫苗和治疗药物效果的影响。 展开更多
关键词 甲型H1N1pdm09流感 HA基因 na基因 基因变异
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Taxonomic study of the Macrophya malaisei group with two new species(Hymenoptera: Tenthredinidae) in China
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作者 刘萌萌 李泽建 +1 位作者 徐真旺 魏美才 《Entomotaxonomia》 CSCD 2017年第2期123-132,共10页
In this paper, the relationships and characteristics of the M. malaisei group, which now includes four known species worldwide, are briefly discussed. A key to the five known species of the M. malaisei group from Chin... In this paper, the relationships and characteristics of the M. malaisei group, which now includes four known species worldwide, are briefly discussed. A key to the five known species of the M. malaisei group from China is provided, including two new species of the M. malaisei group, M. diqingensis Li, Liu & Wei sp. nov. and M. tenuitarsalina Li, Liu & Wei sp. nov. 展开更多
关键词 SYMPHYTA TENTHREDINOIDEA Tenthredininae taxonomy SAWFLIES
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A taxonomic study of the genus Acontia Ochsenheimer(Lepidoptera:Noctuidae:Acontiinae) from China
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作者 陈付强 杨超 薛大勇 《Entomotaxonomia》 CSCD 北大核心 2012年第2期275-283,共9页
A list of the genus Acontia from China is provided, with 10 species in all. The species A. disrupta is revised as the synonym ofA. sexpunctata. The recorded A. nivipicta in China is reported as a misidentification. A ... A list of the genus Acontia from China is provided, with 10 species in all. The species A. disrupta is revised as the synonym ofA. sexpunctata. The recorded A. nivipicta in China is reported as a misidentification. A key to species of Acontia in China, based on male genitalia, is provided. 展开更多
关键词 LEPIDOPTERA NOCTUIDAE Acontia taxonomy China
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Taxonomic study of the genus Eucoptacra (Orthoptera: Catantopidae) from China with description of a new species
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作者 林立亮 郑哲民 《Entomotaxonomia》 CSCD 北大核心 2014年第1期18-22,共5页
The research history of the genus Eucoptacra is reviewed, the Chinese species are summarized, and one new species, E. maculifemura, is described. This new species is allied to E. binghami Uvarov and E. megaocula Wang ... The research history of the genus Eucoptacra is reviewed, the Chinese species are summarized, and one new species, E. maculifemura, is described. This new species is allied to E. binghami Uvarov and E. megaocula Wang et al., but differs in: width of frontal ridge between antennae 1.5 times interocular distance; 1 st segment of hind tarsi obviously wider than the 3rd segment; and outer side of hind femur with 3 big black spots. Type specimens are deposited in the Institute of Zoology, Shaanxi Normal University. 展开更多
关键词 CAELIFERA Catantopoidea taxonomy key
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