Trichoderma asiaticum: Difference between revisions
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| binomial = T. asiaticum | | binomial = T. asiaticum | ||
| authority = Z.F. Yu & X. Du, 2021 | | authority = Z.F. Yu & X. Du, 2021 | ||
}} | }}'''''Trichoderma asiaticum''''' is a species of fungus described in 2021 by Zheng et al. It was isolated from environmental samples and characterized using morphological features and molecular phylogenetic analyses.<ref name="Zheng2021">Zheng, H.; Qiao, M.; Lv, Y.; Du, X.; Zhang, K.-Q.; Yu, Z. (2021). New species of ''Trichoderma'' isolated as endophytes and saprobes from Southwest China. ''Journal of Fungi'' 7(6): 467. https://doi.org/10.3390/jof7060467.</ref> ''Tricoderma'' sp. have a wide distribution and several novel species have been described from soils in China.<ref name="Zhao2023">Zhao, R.; Mao, L.-J.; Zhang, C.-L. 2023. Three new species of ''Trichoderma'' (Hypocreales, Hypocreaceae) from soils in China. ''MycoKeys'' 97:21–40. https://doi.org/10.3897/mycokeys.97.101635.</ref> No ''T. asiaticum''-specific economic uses have been reported. However, species of the genus ''Trichoderma'' are widely used in agriculture as biocontrol agents and in industrial applications. | ||
'''''Trichoderma asiaticum''''' is a species of fungus described in 2021 by Zheng et al. It was isolated from environmental samples and characterized using morphological features and molecular phylogenetic analyses.<ref name="Zheng2021">Zheng, H.; Qiao, M.; Lv, Y.; Du, X.; Zhang, K.-Q.; Yu, Z. (2021). New species of ''Trichoderma'' isolated as endophytes and saprobes from Southwest China. ''Journal of Fungi'' 7(6): 467. https://doi.org/10.3390/jof7060467.</ref> ''Tricoderma'' sp. have a wide distribution and several novel species have been described from soils in China.<ref name="Zhao2023">Zhao, R.; Mao, L.-J.; Zhang, C.-L. 2023. Three new species of ''Trichoderma'' (Hypocreales, Hypocreaceae) from soils in China. ''MycoKeys'' 97:21–40. https://doi.org/10.3897/mycokeys.97.101635.</ref> No ''T. asiaticum''-specific economic uses have been reported. However, species of the genus ''Trichoderma'' are widely used in agriculture as biocontrol agents and in industrial applications. | |||
== Taxonomy and genetics == | == Taxonomy and genetics == | ||
[[File:mycokeys-97-021-g001.jpg|thumb|left|300px| | [[File:mycokeys-97-021-g001.jpg|thumb|left|300px| | ||
Phylogenetic tree generated by maximum likelihood analysis using concatenated sequences of ''rpb2'' and ''tef1'' loci of the genus ''Trichoderma''. Maximum likelihood bootstrap values ≥70% (left) and Bayesian posterior probabilities ≥0.9 (right) are indicated at nodes (MLBP/BIBP). ''Protocrea farinosa'' CBS 121551 and ''P. pallida'' CBS 299.78 were used as outgroups. Novel species proposed in Zhao et al. (2023) are indicated in bold.<ref name="Zhao2023" /> | Phylogenetic tree generated by maximum likelihood analysis using concatenated sequences of ''rpb2'' and ''tef1'' loci of the genus ''Trichoderma''. Maximum likelihood bootstrap values ≥70% (left) and Bayesian posterior probabilities ≥0.9 (right) are indicated at nodes (MLBP/BIBP). ''Protocrea farinosa'' CBS 121551 and ''P. pallida'' CBS 299.78 were used as outgroups. Novel species proposed in Zhao et al. (2023) are indicated in bold.<ref name="Zhao2023" /> | ||
]] | ]] | ||
=== Taxonomy === | === Taxonomy === | ||
''Trichoderma asiaticum'' is a species of filamentous fungus in the family ''Hypocreaceae'', order ''Hypocreales'', within the phylum ''Ascomycota''. It was formally described in 2021 based on morphological characteristics and molecular phylogenetic analyses using gene regions such as ''rpb2'' and ''tef1''.<ref name="Zhao2023" /> | ''Trichoderma asiaticum'' is a species of filamentous fungus in the family ''Hypocreaceae'', order ''Hypocreales'', within the phylum ''Ascomycota''. It was formally described in 2021 based on morphological characteristics and molecular phylogenetic analyses using gene regions such as ''rpb2'' and ''tef1''.<ref name="Zhao2023" /> | ||
The genus ''Trichoderma'' comprises numerous species commonly found in soil and plant-associated environments, with species boundaries increasingly resolved through molecular methods rather than morphology alone.<ref name="Zhao2023" /> | The genus ''Trichoderma'' comprises numerous species commonly found in soil and plant-associated environments, with species boundaries increasingly resolved through molecular methods rather than morphology alone.<ref name="Zhao2023" /> | ||
=== Genetics === | === Genetics === | ||
''Trichoderma asiaticum'' is likely primarily asexual. As in other ''Trichoderma'' species, genetic variation arises through mutation and parasexual processes. | ''Trichoderma asiaticum'' is likely primarily asexual. As in other ''Trichoderma'' species, genetic variation arises through mutation and parasexual processes. | ||
<div style="clear: both;"></div> | <div style="clear: both;"></div> | ||
== Morphology == | == Morphology == | ||
[[File:jof-07-00467-g007.jpg|thumb|right|300px| | [[File:jof-07-00467-g007.jpg|thumb|right|300px| | ||
Morphology of ''Trichoderma asiaticum'' (YMF 1.00352), showing colony growth on CMD, PDA, and SNA media (a–c) and microscopic structures including conidiophores, phialides, and conidia (d–h) (Zheng et al. 2021).<ref name="Zheng2021" /> | Morphology of ''Trichoderma asiaticum'' (YMF 1.00352), showing colony growth on CMD, PDA, and SNA media (a–c) and microscopic structures including conidiophores, phialides, and conidia (d–h) (Zheng et al. 2021).<ref name="Zheng2021" /> | ||
]] | ]] | ||
== Morphology == | == Morphology == | ||
''Trichoderma asiaticum'' produces colonies that vary in appearance depending on culture medium. After 7 days at 25 °C, colonies grown on CMD, PDA, and SNA exhibit distinct growth forms and coloration.<ref name="Zheng2021" /> Conidiophores are formed on SNA and are branched, bearing phialides that give rise to conidia. Phialides are arranged along the conidiophores and produce conidia in clusters.<ref name="Zheng2021" /> Conidia are smooth-walled and typically globose to subglobose in shape.<ref name="Zheng2021" /> | |||
''Trichoderma asiaticum'' produces colonies that vary in appearance depending on culture medium. After 7 days at 25 °C, colonies grown on CMD, PDA, and SNA exhibit distinct growth forms and coloration.<ref name="Zheng2021" /> | |||
Conidiophores are formed on SNA and are branched, bearing phialides that give rise to conidia. Phialides are arranged along the conidiophores and produce conidia in clusters.<ref name="Zheng2021" /> | |||
Conidia are smooth-walled and typically globose to subglobose in shape.<ref name="Zheng2021" /> | |||
<div style="clear: both;"></div> | <div style="clear: both;"></div> | ||
== References == | == References == | ||
<references responsive="1"/> | <references responsive="1"/> | ||
== External links == | == External links == | ||
* [https://www.ncbi.nlm.nih.gov/datasets/taxonomy/2217884/names/ NCBI Taxonomy entry for ''Trichoderma asiaticum''] | * [https://www.ncbi.nlm.nih.gov/datasets/taxonomy/2217884/names/ NCBI Taxonomy entry for ''Trichoderma asiaticum''] | ||
* [https://www.speciesfungorum.org/names/NamesRecord.asp?RecordId=825470 Species Fungorum record for ''Trichoderma asiaticum''] | * [https://www.speciesfungorum.org/names/NamesRecord.asp?RecordId=825470 Species Fungorum record for ''Trichoderma asiaticum''] | ||
Revision as of 03:30, 29 April 2026
| Trichoderma asiaticum | |
|---|---|
 |
|
| Scientific classification | |
| Domain | Eukaryota |
| Kingdom | Fungi |
| Phylum | Ascomycota |
| Class | Sordariomycetes |
| Subclass | |
| Order | Hypocreales |
| Family | Hypocreaceae |
| Genus | Trichoderma |
| Species: | asiaticum |
| Binomial name: | |
| T. asiaticum Z.F. Yu & X. Du, 2021 |
|
| Synonyms | |
No synonyms listed |
|
Trichoderma asiaticum is a species of fungus described in 2021 by Zheng et al. It was isolated from environmental samples and characterized using morphological features and molecular phylogenetic analyses.[1] Tricoderma sp. have a wide distribution and several novel species have been described from soils in China.[2] No T. asiaticum-specific economic uses have been reported. However, species of the genus Trichoderma are widely used in agriculture as biocontrol agents and in industrial applications.
Taxonomy and genetics
Taxonomy
Trichoderma asiaticum is a species of filamentous fungus in the family Hypocreaceae, order Hypocreales, within the phylum Ascomycota. It was formally described in 2021 based on morphological characteristics and molecular phylogenetic analyses using gene regions such as rpb2 and tef1.[2] The genus Trichoderma comprises numerous species commonly found in soil and plant-associated environments, with species boundaries increasingly resolved through molecular methods rather than morphology alone.[2]
Genetics
Trichoderma asiaticum is likely primarily asexual. As in other Trichoderma species, genetic variation arises through mutation and parasexual processes.
Morphology
Morphology
Trichoderma asiaticum produces colonies that vary in appearance depending on culture medium. After 7 days at 25 °C, colonies grown on CMD, PDA, and SNA exhibit distinct growth forms and coloration.[1] Conidiophores are formed on SNA and are branched, bearing phialides that give rise to conidia. Phialides are arranged along the conidiophores and produce conidia in clusters.[1] Conidia are smooth-walled and typically globose to subglobose in shape.[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Zheng, H.; Qiao, M.; Lv, Y.; Du, X.; Zhang, K.-Q.; Yu, Z. (2021). New species of Trichoderma isolated as endophytes and saprobes from Southwest China. Journal of Fungi 7(6): 467. https://doi.org/10.3390/jof7060467.
- ↑ 2.0 2.1 2.2 2.3 Zhao, R.; Mao, L.-J.; Zhang, C.-L. 2023. Three new species of Trichoderma (Hypocreales, Hypocreaceae) from soils in China. MycoKeys 97:21–40. https://doi.org/10.3897/mycokeys.97.101635.
