Acta Protozoologica最新文献_第2页

The First Record of Intestinal Ciliates from the Mountain Zebra (Equus zebra) in South Africa 南非山斑马肠道纤毛虫的首次记录

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2021-03-01 DOI: 10.4467/16890027AP.20.012.13267

O. Kornilova, Klara M Tsushko, L. Chistyakova

引用次数: 1

Taxonomic Revision and Classification of Extant Holococcolithophores Previously Placed in the Genus Anthosphaera Kamptner emend. Kleijne 1991 原属全球石藻的分类修正与分类。Kleijne 1991

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2021-01-01 DOI: 10.4467/16890027AP.20.010.13265

O. Archontikis, J. Young, L. Cros

{"title":"Taxonomic Revision and Classification of Extant Holococcolithophores Previously Placed in the Genus Anthosphaera Kamptner emend. Kleijne 1991","authors":"O. Archontikis, J. Young, L. Cros","doi":"10.4467/16890027AP.20.010.13265","DOIUrl":"https://doi.org/10.4467/16890027AP.20.010.13265","url":null,"abstract":"The genus Anthosphaera Kamptner emend. Kleijne is one of the most taxonomically confusing modern coccolithophores and its species level taxonomy has long been in a state of flux. Based on the review of imaged specimens from our collections, we attempt to rectify the nomenclatural problems and elucidate the obfuscated taxonomy of the genus. Review of included formally and informally described species shows that they are a distinctive group with shared characters, including ten different morphotypes of probable species level. Two of these, including the type species A. fragaria, have been shown to form life-cycle associations with heterococcoliths of the Syracosphaera molischii type. Hence, all species are transferred to Syracosphaera and the new combinations S. periperforata, S. lafourcadii, and S. origami are proposed. In addition, various informally described morphotypes are now formally described as Syracosphaera molischii var. pertusa, S. periperforata var. cylindrata, S. periperforata var. tridentata, S. rotaconica, and S. elevata. urn:lsid:zoobank.org:pub:0E5D4BD7-BC3B-4D30-B319-964AC887DDDE","PeriodicalId":50883,"journal":{"name":"Acta Protozoologica","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70978302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Selenocysteine in Trypanosoma evansi: Identification of the Genes selb, selc, seld, pstk, seltryp and the Selenophosphate Synthetase Protein 埃氏锥虫的硒半胱氨酸:selb、selc、seld、pstk、seltryp基因和硒磷酸合成酶蛋白的鉴定

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2021-01-01 DOI: 10.4467/16890027ap.21.003.14063

K. C. Tavares, Maria Gabriela Casagrande Dambrós, André Saraiva Leão Antunes, Pietro Martin Danziato, P. H. Stoco, A. D. Schlindwein, R. S. Moreira, L. Miletti

引用次数: 0

Distribution and Occurrence of Vairimorpha plodiae (Opisthokonta: Microspora) in the Indian Meal Moth, Plodia interpunctella (Lepidoptera: Pyralidae) Populations: An Extensive Field Study 印度粉蛾中斑间Plodia(鳞翅目:蚜蝇科)种群分布及发生的广泛野外研究

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2021-01-01 DOI: 10.4467/16890027ap.21.004.14064

Tuğba Sağlam, M. Yaman, Ö. Ertürk

{"title":"Distribution and Occurrence of Vairimorpha plodiae (Opisthokonta: Microspora) in the Indian Meal Moth, Plodia interpunctella (Lepidoptera: Pyralidae) Populations: An Extensive Field Study","authors":"Tuğba Sağlam, M. Yaman, Ö. Ertürk","doi":"10.4467/16890027ap.21.004.14064","DOIUrl":"https://doi.org/10.4467/16890027ap.21.004.14064","url":null,"abstract":"The Indian meal moth, Plodia interpunctella (Lepidoptera: Pyralidae) is one of the most important stored product pests. Fumigation plays a significant role in the management of insect pests in stored-products. However, the use of fumigants is problematic because of their effects on the environment and high costs. Entomopathogenic organisms are environmentally friendly control agents and suppress pest populations under natural conditions. In this study, distribution and occurrence of a microsporidian pathogen, Vairimorpha plodiae (Opisthokonta: Microspora) in the populations of P. interpunctella from 12 localities representing Turkey between 2019 and 2020 are presented for the first time by confirming its effectiveness on natural populations. The presence of the microsporidian pathogen was found in 11 of 12 (91.7%) populations. In total, 863 of 3,044 samples were infected by the pathogen. Infection mean was 28.4% for all populations. Our results showed that V. plodiae infection reached to a considerably high prevalence (88.77%) in P. interpunctella populations and varied from 5.1 to 88.7% between the populations. In addition, microsporidia infections have been identified throughout Turkey. We found that V. plodiae can infect all life stages of P. interpunctella. Totally, 623 (28.5%) of 2187 larvae, 14 (37.8%) of 37 pupae, 226 (27%) of 820 adults were found to be infected by the pathogen. There were considerable differences between the dead and living larvae. The microsporidian infection was found in 26 (11.6%) of 225 living larvae, whereas it was found in 595 (30.5%) of 1,952 dead larvae. These results confirm that the microsporidia pathogen has a high spreading potential in P. interpunctella populations and can be a natural biological suppression factor on pest populations.","PeriodicalId":50883,"journal":{"name":"Acta Protozoologica","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70978488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Notes on the Occurrence of Tintinnid Ciliates, and the Nasselarian Radiolarian Amphimelissa setosa of the Marine Microzooplankton, in the Chukchi Sea (Arctic Ocean) Sampled each August from 2011 to 2020 2011 - 2020年8月楚科奇海(北冰洋)海洋微型浮游动物中丁丁纲纤毛虫和纳塞拉纲放射虫纲二栖动物的发生情况

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2021-01-01 DOI: 10.4467/16890027ap.21.001.14061

J. Dolan, Jong-Kuk Moon, E. Yang

{"title":"Notes on the Occurrence of Tintinnid Ciliates, and the Nasselarian Radiolarian Amphimelissa setosa of the Marine Microzooplankton, in the Chukchi Sea (Arctic Ocean) Sampled each August from 2011 to 2020","authors":"J. Dolan, Jong-Kuk Moon, E. Yang","doi":"10.4467/16890027ap.21.001.14061","DOIUrl":"https://doi.org/10.4467/16890027ap.21.001.14061","url":null,"abstract":"Here we summarize the results from 10 cruises in the Chukchi Sea, in August, each year from 2011 to 2020. Samples for the qualitative analysis of the microzooplankton were obtained from stations located across the Chukchi Sea using a 20μm plankton net. Conditions encountered, in terms of sea ice coverage and chlorophyll concentrations, varied widely from year to year without any obvious relationship with the composition of the microzooplankton assemblage. Examining a total of 242 samples gathered, we found a total of 44 tintinnid species (morphologically distinct forms). Plotting cumulative number of tintinnid species encountered vs cumulative number of samplings gave a typical species accumulation curve showing no sign of saturation suggesting that continued sampling in the Chukchi Sea will likely yield increases in the tintinnid species catalogue. The tintinnid species found ranged widely in lorica opening diameters (LOD) from about 11 μm to 80 μm in diameter. However, the median size of the LOD of the tintinnid assemblages varied little from year to year ranging only from about 30 μm to 40 μm. Most of the forms encountered were found in samples from only 1 or 2 cruises. Very few forms were found every year throughout the 10 years of sampling. These were 5 species of tintinnids (Acanthostomella norvegica, Leprotintinnus pellucidus, Pytchocylis obtusa, Salpingella acuminata, Salpingella faurei) and the nasselarian radiolarian Amphimelissa setosa. Examples of the morphological variability observed among individuals of Acanthostomella norvegica and Pytchocylis obtusa within single samples are shown with some individuals easily confused with forms described as other species are shown. To our knowledge, our data are the most extensive data set on Chukchi Sea microplankton. We provide all of the data recorded, which may serve as a baseline from which to assess changes projected in Arctic Sea systems, in a supplementary data file.","PeriodicalId":50883,"journal":{"name":"Acta Protozoologica","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70978808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Host Range of Cyclospora Species: Zoonotic Implication 环孢子虫种的宿主范围:人畜共患意义

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2021-01-01 DOI: 10.4467/16890027ap.21.002.14062

Piotr Solarczyk

引用次数: 3

Testate Amoebae in Karst Caves of the Dinaric Arc (South-Eastern Europe) with a Description of Centropyxis bipilata sp. nov. Dinaric弧（东南欧）喀斯特洞穴中的Testate Amoebae及其双边虫Centropyxis bipilata sp.nov.的描述。

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2020-04-30 DOI: 10.4467/16890027AP.19.018.12020

Najla Baković, Siemensma Ferry, Robert Baković, J. Rubinić

{"title":"Testate Amoebae in Karst Caves of the Dinaric Arc (South-Eastern Europe) with a Description of Centropyxis bipilata sp. nov.","authors":"Najla Baković, Siemensma Ferry, Robert Baković, J. Rubinić","doi":"10.4467/16890027AP.19.018.12020","DOIUrl":"https://doi.org/10.4467/16890027AP.19.018.12020","url":null,"abstract":"Karst freshwater caves are subterranean habitats characterized by the constant absence of light and relatively small variations of temperature and air humidity. They are mostly food deprived environments, with the exception if large bat colonies are present or if they are intensively supplied with organic matter by sinking rivers. Even though these habitats are often described as harsh, they have enabled the evolution of highly specialized and often endemic animals. The cave eukaryotic micro-organisms, on the other hand, are scarcely researched. The results of research of testate amoebae in the caves of the Dinaric arc detected 23 species, 12 of which were first found in caves. Also, a description of Centropyxis bipilata sp. nov. is presented. This species is clearly distinguished from other described species based on shell size, the presence of two struts and the usually dark ring around the aperture. Testate amoebae were registered on aquatic and terrestrial cave sediments and transitional habitats (like hygropetric and wet walls). The most frequent species within the samples were: Trinema lineare, Cryptodifflugia oviformis and Centropyxis bipilata sp. nov. Maximum diversity of testate amoebae was registered in Ponor Kovači with twenty species. In 24.4 % of the investigated samples microphototrophs were found, implying good surface-subsurface connectivity that could also affect testate amoebae diversity. This research showed that caves are underestimated habitats that can provide us with new data about the testate amoebae biogeography and diversity.","PeriodicalId":50883,"journal":{"name":"Acta Protozoologica","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2020-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47278805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Redescription of Polyplastron alaskum Dehority, 1974 (Ciliophora, Entodiniomorphida), a Rare Rumen Ciliate Species from Domestic and Wild Sheep 家羊和野羊瘤胃纤毛虫的一种稀有种Polyplastron alaskum Dehority, 1974(纤毛虫目，内二形目)的再描述

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2020-01-01 DOI: 10.4467/16890027AP.20.005.12673

Franciane Cedrola, M. D’Agosto, Isabel Martinele, R. Dias

引用次数: 1

Phylogeny and Synonymy of Gyrodinium heterostriatum comb. nov. (Dinophyceae), a Common Unarmored Dinoflagellate in the World Oceans [plus supplementary materials] 异纹梳状陀螺的系统发育与同义。11 .(甲藻科)，世界海洋中一种常见的无甲甲藻[外加补充资料]

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2020-01-01 DOI: 10.4467/16890027AP.20.007.12675

F. Gómez, L. Artigas, R. Gast

{"title":"Phylogeny and Synonymy of Gyrodinium heterostriatum comb. nov. (Dinophyceae), a Common Unarmored Dinoflagellate in the World Oceans [plus supplementary materials]","authors":"F. Gómez, L. Artigas, R. Gast","doi":"10.4467/16890027AP.20.007.12675","DOIUrl":"https://doi.org/10.4467/16890027AP.20.007.12675","url":null,"abstract":"The North Sea and the English Channel are regions with a long tradition of plankton studies, where the colony-forming haptophyte Phaeocystis globosa dominates the spring phytoplankton blooms. Among its predators, we investigated an abundant unarmored dinoflagellate (~3000 cells per liter) in the North Sea in May 2019. It has been reported in the literature as Gymnodinium heterostriatum or G. striatissimum, and often identified as Gyrodinium spirale. Phylogenetic analyses using the small-, large subunit- and Internal Transcriber Spacers of the ribosomal RNA (SSU-, LSU-, ITS rRNA) gene sequences indicate that our isolates clustered within the Gyrodinium clade. The new sequences formed a sister group with sequences of the freshwater taxon Gyrodinium helveticum, being one of the infrequent marine-freshwater transitions in the microbial world. This isolate is the first characterized member of a clade of numerous environmental sequences widely distributed from cold to tropical seas. This common and abundant taxon has received several names due to its morphological plasticity (changes of size and shape, often deformed after engulfing prey) and the difficulty in discerning surface striation. We conclude that the priority is for the species name Gymnodinium heterostriatum Kofoid & Swezy 1921, a new name that was proposed for Gymnodinium spirale var. obtusum sensu Dogiel 1906. The species Gyrodinium striatissimum (Hulburt 1957) Gert Hansen & Moestrup 2000 and Gymnodinium lucidum D. Ballantine in Parke & Dixon 1964 (=G. hyalinum M. Lebour 1925) are posterior synonyms. We propose Gyrodinium heterostriatum comb. nov. for Gymnodinium heterostriatum.","PeriodicalId":50883,"journal":{"name":"Acta Protozoologica","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70978255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Gamma Radiation Tolerance and Protein Carbonylation Caused by Irradiation of Resting Cysts in the Free-living Ciliated Protist Colpoda cucullus 自由生活纤毛原生动物包囊的伽玛辐射耐受性和蛋白质羰基化

IF 0.5 4区生物学

Acta Protozoologica Pub Date : 2020-01-01 DOI: 10.4467/16890027AP.20.006.12674

R. Saito, R. Koizumi, T. Sakai, Taiga Shimizu, Taiki Ono, Yoichiro Sogame

引用次数: 2