Molecular phylogenetic analyses support the validity of Ceratiomyxa porioides (Amoebozoa, Eumycetozoa) at species level
Eur J Protistol. 2024 Apr 12;94:126083. doi: 10.1016/j.ejop.2024.126083. Online ahead of print.ABSTRACTThe frequently encountered macroscopic slime molds of the genus Ceratiomyxa have long been recognized by mycologists and protistologists for hundreds of years. These organisms are amoebozoan amoebae that live and grow inside and on the surface of decaying wood. When conditions are favorable, they form subaerial sporulating structures called fruiting bodies which take on a variety of forms. These forms are typically some arrangement of column and/or branches, but one is uniquely poroid, forming folds instead. Originally, t...
Source: European Journal of Protistology - April 19, 2024 Category: Microbiology Authors: Nicholas W Fry Robert E Jones Quentin Blandenier Alexander K Tice Alfredo L Porfirio-Sousa Felicity Kleitz-Singleton Tristan C Henderson Matthew W Brown Source Type: research
Molecular phylogenetic analyses support the validity of Ceratiomyxa porioides (Amoebozoa, Eumycetozoa) at species level
Eur J Protistol. 2024 Apr 12;94:126083. doi: 10.1016/j.ejop.2024.126083. Online ahead of print.ABSTRACTThe frequently encountered macroscopic slime molds of the genus Ceratiomyxa have long been recognized by mycologists and protistologists for hundreds of years. These organisms are amoebozoan amoebae that live and grow inside and on the surface of decaying wood. When conditions are favorable, they form subaerial sporulating structures called fruiting bodies which take on a variety of forms. These forms are typically some arrangement of column and/or branches, but one is uniquely poroid, forming folds instead. Originally, t...
Source: European Journal of Protistology - April 19, 2024 Category: Microbiology Authors: Nicholas W Fry Robert E Jones Quentin Blandenier Alexander K Tice Alfredo L Porfirio-Sousa Felicity Kleitz-Singleton Tristan C Henderson Matthew W Brown Source Type: research
Pacific marine gregarines (Apicomplexa) shed light on biogeographic speciation patterns and novel diversity among early apicomplexans
This study introduces Undularius glycerae n. gen., n. sp. and Lecudina kitase n. sp. (Hokkaido, Japan), as well as Difficilina fasoliformis n. sp. (California, USA). Occurrences of Lecudina cf. longissima and Lecudina cf. tuzetae (California, USA) are also reported. Phylogenetic analysis revealed a close relationship between L. pellucida, L. tuzetae, and L. kitase n. sp. Additionally, clustering among North Atlantic and Pacific L. tuzetae formed a species complex, likely influenced by biogeography.PMID:38636336 | DOI:10.1016/j.ejop.2024.126080 (Source: European Journal of Protistology)
Source: European Journal of Protistology - April 18, 2024 Category: Microbiology Authors: Eric Odle Siratee Riewluang Kentaro Ageishi Hiroshi Kajihara Kevin C Wakeman Source Type: research
Pacific marine gregarines (Apicomplexa) shed light on biogeographic speciation patterns and novel diversity among early apicomplexans
This study introduces Undularius glycerae n. gen., n. sp. and Lecudina kitase n. sp. (Hokkaido, Japan), as well as Difficilina fasoliformis n. sp. (California, USA). Occurrences of Lecudina cf. longissima and Lecudina cf. tuzetae (California, USA) are also reported. Phylogenetic analysis revealed a close relationship between L. pellucida, L. tuzetae, and L. kitase n. sp. Additionally, clustering among North Atlantic and Pacific L. tuzetae formed a species complex, likely influenced by biogeography.PMID:38636336 | DOI:10.1016/j.ejop.2024.126080 (Source: European Journal of Protistology)
Source: European Journal of Protistology - April 18, 2024 Category: Microbiology Authors: Eric Odle Siratee Riewluang Kentaro Ageishi Hiroshi Kajihara Kevin C Wakeman Source Type: research
An approach to evaluating seasonal responses to acute toxicity of antibiotic nitrofurazone on periphytic ciliated protist communities in marine environments
Eur J Protistol. 2024 Apr 8;94:126081. doi: 10.1016/j.ejop.2024.126081. Online ahead of print.ABSTRACTPeriphytic protists including ciliates are the primary components of microbial communities in which they play a vital role in the progression of food webs by moving resources from lower to higher trophic levels. However, the toxic effects of veterinary antibiotics on periphytic protists across four seasons are minimally understood. Therefore, in this study, a 1-year survey was conducted with the antibiotic nitrofurazone (NFZ) applied at concentrations of 0.0, 1.5, 3.0, 6.0, and 12.0 mg/L. Samples of protist communities wer...
Source: European Journal of Protistology - April 16, 2024 Category: Microbiology Authors: Awais Ali Ning Wang Qiaoling Wang Guangjian Xu Henglong Xu Source Type: research
An approach to evaluating seasonal responses to acute toxicity of antibiotic nitrofurazone on periphytic ciliated protist communities in marine environments
Eur J Protistol. 2024 Apr 8;94:126081. doi: 10.1016/j.ejop.2024.126081. Online ahead of print.ABSTRACTPeriphytic protists including ciliates are the primary components of microbial communities in which they play a vital role in the progression of food webs by moving resources from lower to higher trophic levels. However, the toxic effects of veterinary antibiotics on periphytic protists across four seasons are minimally understood. Therefore, in this study, a 1-year survey was conducted with the antibiotic nitrofurazone (NFZ) applied at concentrations of 0.0, 1.5, 3.0, 6.0, and 12.0 mg/L. Samples of protist communities wer...
Source: European Journal of Protistology - April 16, 2024 Category: Microbiology Authors: Awais Ali Ning Wang Qiaoling Wang Guangjian Xu Henglong Xu Source Type: research
Morphological reconstruction during cell regeneration in the ciliate Spirostomum ambiguum
Eur J Protistol. 2024 Mar 28;94:126079. doi: 10.1016/j.ejop.2024.126079. Online ahead of print.ABSTRACTWhen the ciliate Spirostomum ambiguum is transected into two pieces, both fragments regenerate and proliferate. In the anterior fragments, which have lost their contractile vacuoles due to transection, new contractile vacuoles were formed at their posterior ends in a few minutes. When the cells were cut into three pieces, new contractile vacuoles were formed in the anterior and middle fragments, both at their posterior ends. Thus, the anterior-posterior axis of S. ambiguum was maintained after transection. Morphological r...
Source: European Journal of Protistology - April 9, 2024 Category: Microbiology Authors: Maho Shimada Masashi M Hayakawa Toshinobu Suzaki Hideki Ishida Source Type: research
Morphological reconstruction during cell regeneration in the ciliate Spirostomum ambiguum
Eur J Protistol. 2024 Mar 28;94:126079. doi: 10.1016/j.ejop.2024.126079. Online ahead of print.ABSTRACTWhen the ciliate Spirostomum ambiguum is transected into two pieces, both fragments regenerate and proliferate. In the anterior fragments, which have lost their contractile vacuoles due to transection, new contractile vacuoles were formed at their posterior ends in a few minutes. When the cells were cut into three pieces, new contractile vacuoles were formed in the anterior and middle fragments, both at their posterior ends. Thus, the anterior-posterior axis of S. ambiguum was maintained after transection. Morphological r...
Source: European Journal of Protistology - April 9, 2024 Category: Microbiology Authors: Maho Shimada Masashi M Hayakawa Toshinobu Suzaki Hideki Ishida Source Type: research
Morphological reconstruction during cell regeneration in the ciliate Spirostomum ambiguum
Eur J Protistol. 2024 Mar 28;94:126079. doi: 10.1016/j.ejop.2024.126079. Online ahead of print.ABSTRACTWhen the ciliate Spirostomum ambiguum is transected into two pieces, both fragments regenerate and proliferate. In the anterior fragments, which have lost their contractile vacuoles due to transection, new contractile vacuoles were formed at their posterior ends in a few minutes. When the cells were cut into three pieces, new contractile vacuoles were formed in the anterior and middle fragments, both at their posterior ends. Thus, the anterior-posterior axis of S. ambiguum was maintained after transection. Morphological r...
Source: European Journal of Protistology - April 9, 2024 Category: Microbiology Authors: Maho Shimada Masashi M Hayakawa Toshinobu Suzaki Hideki Ishida Source Type: research
Morphological reconstruction during cell regeneration in the ciliate Spirostomum ambiguum
Eur J Protistol. 2024 Mar 28;94:126079. doi: 10.1016/j.ejop.2024.126079. Online ahead of print.ABSTRACTWhen the ciliate Spirostomum ambiguum is transected into two pieces, both fragments regenerate and proliferate. In the anterior fragments, which have lost their contractile vacuoles due to transection, new contractile vacuoles were formed at their posterior ends in a few minutes. When the cells were cut into three pieces, new contractile vacuoles were formed in the anterior and middle fragments, both at their posterior ends. Thus, the anterior-posterior axis of S. ambiguum was maintained after transection. Morphological r...
Source: European Journal of Protistology - April 9, 2024 Category: Microbiology Authors: Maho Shimada Masashi M Hayakawa Toshinobu Suzaki Hideki Ishida Source Type: research
Morphological reconstruction during cell regeneration in the ciliate Spirostomum ambiguum
Eur J Protistol. 2024 Mar 28;94:126079. doi: 10.1016/j.ejop.2024.126079. Online ahead of print.ABSTRACTWhen the ciliate Spirostomum ambiguum is transected into two pieces, both fragments regenerate and proliferate. In the anterior fragments, which have lost their contractile vacuoles due to transection, new contractile vacuoles were formed at their posterior ends in a few minutes. When the cells were cut into three pieces, new contractile vacuoles were formed in the anterior and middle fragments, both at their posterior ends. Thus, the anterior-posterior axis of S. ambiguum was maintained after transection. Morphological r...
Source: European Journal of Protistology - April 9, 2024 Category: Microbiology Authors: Maho Shimada Masashi M Hayakawa Toshinobu Suzaki Hideki Ishida Source Type: research
A new centrohelid heliozoan, Pterocystis polycristalepis sp. nov., and taxonomic and phylogenetic concerns within Pterista (Haptista: Centroplasthelida)
Eur J Protistol. 2024 Feb 20;94:126064. doi: 10.1016/j.ejop.2024.126064. Online ahead of print.ABSTRACTA new species of centrohelid heliozoans, Pterocystis polycristalepis sp. nov. (Pterocystidae), was examined using light and electron microscopy. The novel centrohelid is characterized by the presence of leaf-like spine-scales with a broad pedicel-like structure on the proximal part and many subparallel ribs on the lateral wing surface. The plate-scales are ovoid with medial tubular thickening and many subparallel ribs on the very extensive marginal rim. The closely related species Pterocystis striata has also been studied...
Source: European Journal of Protistology - March 26, 2024 Category: Microbiology Authors: Dmitry G Zagumyonnyi Denis V Tikhonenkov Source Type: research
A new centrohelid heliozoan, Pterocystis polycristalepis sp. nov., and taxonomic and phylogenetic concerns within Pterista (Haptista: Centroplasthelida)
Eur J Protistol. 2024 Feb 20;94:126064. doi: 10.1016/j.ejop.2024.126064. Online ahead of print.ABSTRACTA new species of centrohelid heliozoans, Pterocystis polycristalepis sp. nov. (Pterocystidae), was examined using light and electron microscopy. The novel centrohelid is characterized by the presence of leaf-like spine-scales with a broad pedicel-like structure on the proximal part and many subparallel ribs on the lateral wing surface. The plate-scales are ovoid with medial tubular thickening and many subparallel ribs on the very extensive marginal rim. The closely related species Pterocystis striata has also been studied...
Source: European Journal of Protistology - March 26, 2024 Category: Microbiology Authors: Dmitry G Zagumyonnyi Denis V Tikhonenkov Source Type: research
A new centrohelid heliozoan, Pterocystis polycristalepis sp. nov., and taxonomic and phylogenetic concerns within Pterista (Haptista: Centroplasthelida)
Eur J Protistol. 2024 Feb 20;94:126064. doi: 10.1016/j.ejop.2024.126064. Online ahead of print.ABSTRACTA new species of centrohelid heliozoans, Pterocystis polycristalepis sp. nov. (Pterocystidae), was examined using light and electron microscopy. The novel centrohelid is characterized by the presence of leaf-like spine-scales with a broad pedicel-like structure on the proximal part and many subparallel ribs on the lateral wing surface. The plate-scales are ovoid with medial tubular thickening and many subparallel ribs on the very extensive marginal rim. The closely related species Pterocystis striata has also been studied...
Source: European Journal of Protistology - March 26, 2024 Category: Microbiology Authors: Dmitry G Zagumyonnyi Denis V Tikhonenkov Source Type: research
A new centrohelid heliozoan, Pterocystis polycristalepis sp. nov., and taxonomic and phylogenetic concerns within Pterista (Haptista: Centroplasthelida)
Eur J Protistol. 2024 Feb 20;94:126064. doi: 10.1016/j.ejop.2024.126064. Online ahead of print.ABSTRACTA new species of centrohelid heliozoans, Pterocystis polycristalepis sp. nov. (Pterocystidae), was examined using light and electron microscopy. The novel centrohelid is characterized by the presence of leaf-like spine-scales with a broad pedicel-like structure on the proximal part and many subparallel ribs on the lateral wing surface. The plate-scales are ovoid with medial tubular thickening and many subparallel ribs on the very extensive marginal rim. The closely related species Pterocystis striata has also been studied...
Source: European Journal of Protistology - March 26, 2024 Category: Microbiology Authors: Dmitry G Zagumyonnyi Denis V Tikhonenkov Source Type: research
