scholarly journals Two Anaerobic Ciliates (Ciliophora, Armophorea) from China: Morphology and SSU rDNA Sequence, with Report of a New Species, Metopus paravestitus nov. spec

2020 ◽  
Author(s):  
Song Li ◽  
Wenbao Zhuang ◽  
Blanca Pérez‐Uz ◽  
Qianqian Zhang ◽  
Xiaozhong Hu
Keyword(s):  
New Species ◽  
Ssu Rdna ◽  
Rdna Sequence ◽  
A New Species

scholarly journals Balantidium grimi n. sp. (Ciliophora, Litostomatea), a new species inhabiting the rectum of the frog Quasipaa spinosa from Lishui, China

Parasite ◽  
2018 ◽  
Vol 25 ◽  
pp. 29 ◽  
Author(s):  
Weishan Zhao ◽  
Can Li ◽  
Dong Zhang ◽  
Runqiu Wang ◽  
Yingzhen Zheng ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Phylogenetic Analysis ◽  
New Species ◽  
Body Shape ◽  
Ssu Rdna ◽  
The Body ◽  
Molecular Phylogenetic ◽  
A New Species ◽  
Scanning Electron

Balantidium grimi n. sp. is described from the rectum of the frog Quasipaa spinosa (Amphibia, Dicroglossidae) from Lishui, Zhejiang Province, China. The new species is described by both light microscopy (LM) and scanning electron microscopy (SEM), and a molecular phylogenetic analysis is also presented. This species has unique morphological features in that the body shape is somewhat flattened and the vestibulum is “V”-shaped, occupying nearly 3/8 to 4/7 of the body length. Only one contractile vacuole, situated at the posterior body, was observed. The phylogenetic analysis based on SSU-rDNA indicates that B. grimi groups together with B. duodeni and B. entozoon. In addition, the genus Balantidium is clearly polyphyletic.

Insights into the genus Austrella (Pannariaceae, Peltigerales), including a new species from the Falkland Islands

2017 ◽  
Vol 49 (1) ◽  
pp. 57-65 ◽  
Author(s):  
Alan M. FRYDAY ◽  
Damien ERTZ ◽  
Per Magnus JØRGENSEN
Keyword(s):  
New Species ◽  
New Records ◽  
Rdna Sequence ◽  
Falkland Islands ◽  
Morphological Differences ◽  
A New Species

AbstractThe new species Austrella isidioidea, which is unique in the genus in having isidioid structures on the thallus lobe ends as well as apothecia lacking a thalline margin, is described from the Falkland Islands. A collection with an identical mtSSU rDNA sequence to A. arachnoidea but with significant morphological differences (viz. a variable apothecial margin ranging from an arachnoid hyphal weft to a corticated regular margin) is reported from Îles Kerguelen. The phylogenetic and biogeographical implications of these new records are discussed.

scholarly journals Taxonomy and SSU rDNA-Based Phylogeny of Two Heterotrich Ciliates (Ciliophora, Heterotrichea) Collected From Subtropical Wetlands of China, Including the Description of a New Species, Linostomella pseudovorticella n. sp.

2021 ◽  
Vol 12 ◽  
Author(s):  
Didi Jin ◽  
Xuetong Zhao ◽  
Tingting Ye ◽  
Jie Huang ◽  
Alan Warren ◽  
...  
Keyword(s):  
New Species ◽  
Food Web ◽  
Phylogenetic Analyses ◽  
Small Subunit ◽  
Ssu Rdna ◽  
Microbial Food Web ◽  
Model Organisms ◽  
Rdna Sequences ◽  
The Family ◽  
A New Species

The Heterotrichea Stein, 1859 are a group of ciliated protists (single-celled eukaryotes) that occur in a wide variety of aquatic habitat where they play important roles in the flow of nutrients and energy within the microbial food web. Many species are model organisms for research in cytology and regenerative biology. In the present study, the morphology and phylogeny of two heterotrich ciliates, namely, Linostomella pseudovorticella n. sp. and Peritromus kahli Villeneuve-Brachon, 1940, collected from subtropical wetlands of China, were investigated using morphological and molecular methods. L. pseudovorticella n. sp. differs from its only known congener, Linostomella vorticella Ehrenberg, 1833 Aescht in Foissner et al., 1999, by having more ciliary rows (48–67, mean about 56 vs. 26–51, mean about 42) and its small-subunit (SSU) rDNA sequence, which shows a 15-bp divergence. Although P. kahli has been reported several times in recent decades, its infraciliature has yet to be described. A redescription and improved diagnosis of this species based on a combination of previous and present data are here supplied. Phylogenetic analyses based on SSU rDNA sequences revealed that the genus Linostomella is positioned within Condylostomatidae, and Peritromidae is sister to Climacostomidae with relatively low support, and the family Spirostomidae is the root branch of the class Heterotrichea.

scholarly journals First record of Nocturama (Batrachospermales, Rhodophyta) in South America, with the description of a new species N. novamundensis

Phytotaxa ◽  
2016 ◽  
Vol 278 (3) ◽  
pp. 273
Author(s):  
ORLANDO NECCHI JR ◽  
TIMOTHY J. ENTWISLE ◽  
CIRO C.Z. BRANCO ◽  
MONICA O. PAIANO
Keyword(s):  
New Species ◽  
Dna Sequences ◽  
Large Subunit ◽  
First Record ◽  
Small Subunit ◽  
Ssu Rdna ◽  
Molecular Evidence ◽  
Southern Brazil ◽  
Small Subunit Ribosomal Dna ◽  
A New Species

Specimens from southeastern and southern Brazil previously identified as Sheathia arcuata (= Batrachospermum arcuatum) are shown to be members of the recently described genus Nocturama, previously known only from Australia and New Zealand. Morphological and molecular evidence support recognizing the Brazilian specimens as a new species, described here as Nocturama novamundensis, sp. nov. Comparison of DNA sequences of the plastid-encoded ribulose-1,5-bisphosphatecarboxylase–oxygenase large subunit (rbcL) and the nuclear small subunit ribosomal DNA (SSU rDNA) markers showed Nocturama as a well supported clade. The sequence divergences between the new and the type species were high (95-98bp, 7.4–7.6%) for rbcL and 19bp, 1.1% for SSU), and those within each species were extremely low (0-1 bp, 0-0.1%). The new species can be distinguished from N. antipodites in having curved primary fascicles composed of non-‘audouinelloid’ cells (compared to straight primary fascicles with audouinelloid—cylindrical—cells) and in being always dioecious (only rarely is N. antipodites dioecious).

Morphology and SSU rDNA sequence analysis of two hypotrichous ciliates (Protozoa, Ciliophora, Hypotrichia) including the new species Metaurostylopsis parastruederkypkeae n. sp.

2016 ◽  
Vol 15 (5) ◽  
pp. 866-878 ◽  
Author(s):  
Borong Lu ◽  
Chundi Wang ◽  
Jie Huang ◽  
Yuhong Shi ◽  
Xiangrui Chen
Keyword(s):  
New Species ◽  
Sequence Analysis ◽  
Ssu Rdna ◽  
Rdna Sequence ◽  
Protozoa Ciliophora

scholarly journals New intranuclear symbiotic bacteria from macronucleus of Paramecium putrinum — Candidatus Gortzia yakutica

2020 ◽  
Author(s):  
Alexandra Beliavskaia ◽  
Maria Logacheva ◽  
Sofya Garushyants ◽  
Jun Gong ◽  
Songbao Zou ◽  
...  
Keyword(s):  
Phylogenetic Analysis ◽  
New Species ◽  
Life Cycle ◽  
Ssu Rdna ◽  
Symbiotic Bacteria ◽  
Intracellular Bacteria ◽  
Obligate Intracellular ◽  
Strict Specificity ◽  
A New Species ◽  
Significant Attention

AbstractHolospora-like bacteria are obligate intracellular Alphaproteobacteria, inhabiting nuclei of Paramecium ciliates and other protists. Alphaproteobacteria have drawn significant attention, as both closest existing relatives of bacteria that gave rise to mitochondria, as well as a class of intracellular bacteria with numerous important pathogens.HLB clade includes two genera – Holospora (Hafkine 1980) and candidatus Gortzia (Boscaro 2013). These bacteria have a peculiar life cycle with two morphological forms, a strict specificity to the host species and the type of nucleus they inhabit.Here we describe a new species of HLB – candidatus Gortzia yakutica sp. nov., a symbiont from macronucleus of Paramecium putrinum, the first known HLB for this Paramecium species. The new symbiont shows morphological similarities with other HLB. The phylogenetic analysis of SSU rDNA gene places it into candidatus Gortzia clade.

scholarly journals Tuber pulchrosporum sp. nov., a black truffle of the Aestivum clade (Tuberaceae, Pezizales) from the Balkan peninsula

MycoKeys ◽  
2019 ◽  
Vol 47 ◽  
pp. 35-51 ◽  
Author(s):  
Elias Polemis ◽  
Georgios Konstantinidis ◽  
Vassiliki Fryssouli ◽  
Monica Slavova ◽  
Triantafyllos Tsampazis ◽  
...  
Keyword(s):  
New Species ◽  
Sequence Analysis ◽  
Balkan Peninsula ◽  
Rdna Sequence ◽  
Its Rdna ◽  
Black Truffle ◽  
Light Yellow ◽  
Basal Cavity ◽  
A New Species

Knowledge on the diversity of hypogeous sequestrate ascomycetes is still limited in the Balkan Peninsula. A new species of truffle, Tuberpulchrosporum, is described from Greece and Bulgaria. Specimens were collected from habitats dominated by various oak species (i.e. Quercusilex, Q.coccifera, Q.robur) and other angiosperms. They are morphologically characterised by subglobose, ovoid to irregularly lobed, yellowish-brown to dark brown ascomata, usually with a shallow basal cavity and surface with fissures and small, dense, almost flat, trihedral to polyhedral warts. Ascospores are ellipsoid to subfusiform, uniquely ornamented, crested to incompletely reticulate and are produced in (1–)2–8-spored asci. Hair-like, hyaline to light yellow hyphae protrude from the peridium surface. According to the outcome of ITS rDNA sequence analysis, this species forms a distinct well-supported group in the Aestivum clade, with T.panniferum being the closest phylogenetic taxon.

A new species of Roseodiscus (Ascomycota, Fungi) from tropical China

Phytotaxa ◽  
2013 ◽  
Vol 105 (2) ◽  
pp. 51 ◽  
Author(s):  
HUAN-DI ZHENG ◽  
WEN-YING ZHUANG
Keyword(s):  
New Species ◽  
Sequence Analysis ◽  
Rdna Sequence ◽  
Its Rdna ◽  
Ectal Excipulum ◽  
Thin Walled ◽  
Tropical China ◽  
A New Species

A new species, Roseodiscus sinicus is described and illustrated. The fungus, collected on stems of an unknown monocotyledon, is characterized by dirty white apothecia, large and thin-walled ectal excipulum cells, Calycina-type ascus apical ring, and ellipsoid, multiguttulate ascospores. The placement of the new species in Roseodiscus was also supported by ITS rDNA sequence analysis. The distinctions between the new species and related taxa are discussed.

scholarly journals The Morphology, Taxonomy, and Phylogenetic Analyses of Five Freshwater Colonial Peritrich Ciliates (Alveolata, Ciliophora), Including the Descriptions of Two New Species

2021 ◽  
Vol 12 ◽  
Author(s):  
Tong Wu ◽  
Zhe Wang ◽  
Lili Duan ◽  
Hamed El-Serehy ◽  
Saleh A. Al-Farraj ◽  
...  
Keyword(s):  
New Species ◽  
Sequence Data ◽  
Phylogenetic Analyses ◽  
Ssu Rdna ◽  
Rdna Sequence ◽  
Time Data ◽  
Rdna Sequence Data ◽  
Two New Species ◽  
Freshwater Habitats ◽  
First Time

The morphology and phylogeny of two new sessilid species, Zoothamnium weishanicum n. sp. and Epicarchesium sinense n. sp., two insufficiently known species, Zoothamnium arbusculaEhrenberg, 1831 and Zoothamnium hentscheliKahl, 1935, and a well-known species, Carchesium polypinum (Linnaeus, 1767) Ehrenberg, 1838, collected from freshwater habitats of China, were investigated. Zoothamnium weishanicum n. sp. is characterized by its inverted bell-shaped zooids, double-layered peristomial lip, alternately branched stalk, and two different-length rows in infundibular polykinety 3 (P3). Epicarchesium sinense n. sp. is recognized by its asymmetric-pyriform zooids, single-layered peristomial lip, conspicuous cortical blisters on the pellicle, dichotomously branched stalk, and P3 containing one short inner row and two long outer rows. Based on previous and newly obtained data of the three known species, improved diagnoses and redescriptions are provided including, for the first time, data on the infraciliature of Z. arbuscula and Z. hentscheli. In addition, we analyzed the phylogeny of each species based on SSU rDNA sequence data.

Morphological studies of Ganoderma (Ganodermataceae) from the Australasian and Pacific regions

2003 ◽  
Vol 16 (4) ◽  
pp. 487 ◽  
Author(s):  
Brendan J. Smith ◽  
K. Sivasithamparam
Keyword(s):  
New Species ◽  
Morphological Characters ◽  
Rdna Sequence ◽  
Type Material ◽  
Morphological Studies ◽  
Large Numbers ◽  
A New Species

Ganoderma, a genus of approximately 214 described species has been deemed to be in taxonomic chaos. The difficulties stem from the large numbers of synonymies, widespread misuse of names, typification problems and a paucity of reliable morphological characters. In Australia, all of these problems are represented and the genus is in need of revision. In this study six species of Ganoderma were identified among several collections. A new species, G. steyaertanum sp. nov., is described from Australian and Indonesian material. This species has been commonly mistaken for G. lucidum, a species which is probably restricted to Europe and from which G.�steyaertanum is genetically distinct. The remaining species were determined to be G. boninense, G. cupreum, G.�incrassatum (a name which has not recently featured in literature), G. australe and G. weberianum. All were verified against type material except G. australe, which is in need of neotypification as the type is lost. G. tornatum, a widely accepted synonym, may take precedence; however, we have been unable to examine the type for verification. Based on morphology, G. polymorphum was identified as a synonym of G. cupreum. On the basis of morphology and previously published rDNA sequence studies, G. microsporum was considered a synonym of G.�weberianum. A seventh species, G. colossum, has also been reported from Australia; however the specimen was not available for verification in this study.

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