Allelochaeta

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Allelochaeta
Scientific classification
Kingdom:
Fungi
Division:
Ascomycota
Class:
Sordariomycetes
Order:
Amphisphaeriales
Family:
Sporocadaceae
Genus:
Allelochaeta

Petr. (1955) [1]
Synonyms [2]
  • Diploceras
  • Vermisporium

Allelochaeta is a genus of plant pathogens in the family Sporocadaceae. [3]

Contents

It was published by Franz Petrak in Sydowia vol.9 (1–6) on page 464 in 1955. [1]

Allelochaeta was considered as a synonym of Diploceras, one of the five groups of fungi into which the Seimatosporium complex was split by Nag Raj (in 1993). Based on a multi-gene phylogenetic study using the type species, Crous et al. (2018a), [2] resurrected the genus Allelochaeta. Members of this genus are characterized by mostly 3-septate, hyaline or pigmented, concolorous or versicolorous conidia, having branched or solitary, cellular or continuous appendages (Crous et al. 2018a). [2] Crous et al. (2018a) discussed the conidial septation, appendage types and pigmentation loss and gain during the evolution of Allelochaeta species. [4]

History

Then in 1977, it was thought to be a synonym of Seimatosporium (another fungi in the Sporocadaceae family) in Mycol. Pap. 141 [5] Then in 1978, the fungal generic names of Allelochaeta, Basilocula, Ceuthosira, Pycnidiochaeta, and Xenodomus were found to be redundant. Allelochaeta and the single species of Allelochaeta gaubae was reduced to synonymy with Seimatosporium and Seimatosporium dilophosporum , respectively. Basilocula, Ceuthosira, and Xenodomus were then treated as synonyms of Coleophoma with species Coleophoma lauricola, Coleophoma aesculi, and Coleophoma taxi proposed as new combinations. The names Microgloeum and Microgloeum pruni were shown to be applicable to a microconidial state associated with Cylindrosporium padi. The generic name Neobarclaya is revived to accommodate Neobarclaya primaria and was segregated from Polynema in which Polynema ornatum and Polynema radiatum comb. nov. were then accepted. Pycnidiochaeta and its type species, Pycnidiochaeta biciliata, are reduced to synonymy with Dinemasporium and Dinemasporium gramineum, respectively. [6]

In 2018, the appendaged coelomycete genus of Seimatosporium (Sporocadaceae, Sordariomycetes) and some of its purported synonyms Allelochaeta, Diploceras and Vermisporium are re-evaluated. Based on DNA data for five loci (ITS, LSU, rpb2, tub2 and tef1), Seimatosporium was found to be paraphyletic. The ex-type species of Allelochaeta, Discostromopsis and Vermisporium represent a distinct sister clade to which the oldest name Allelochaeta was then used. These genera were traditionally separated based on a combination of conidial pigmentation, septation (having a septum or dividing wall), and the nature of their conidial appendages. Allelochaeta was found to include taxa with both branched or solitary appendages, that could be cellular or continuous, with conidia being (2-)3(-5)-septate, hyaline, or pigmented, concolorous or versicolorous. These differences suggests that these characters should be applied at species, and not at the generic level. Conidial pigmentation appears to have been lost or gained several times during the evolution of species within Allelochaeta. [2]

Hosts

Allelochaeta brevilata (H.J. Swart & D.A. Griffiths) Crous is found on species of eucalypts in Australia. [7]

Distribution

It has a wide distribution, found in North America, Central America, Europe, [8] South Africa, Australia, [2] [7] [9] and New Zealand. [1] [10]

Species

As accepted by Species Fungorum; [11]

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References

  1. 1 2 3 "Allelochaeta Petr. 1955 - Biota of NZ". biotanz.landcareresearch.co.nz. Retrieved 20 February 2023.
  2. 1 2 3 4 5 Crous, P. W.; Liu, F.; Cai, L.; Barber, P. A.; Thangavel, R.; Summerell, B. A.; Wingfield, M. J.; Edwards, J.; Carnegie, A. J.; Groenewald, J. Z. (December 2018). "Allelochaeta ( Sporocadaceae): pigmentation lost and gained". Fungal Syst Evol. 2: 273–309. doi:10.3114/fuse.2018.02.08. PMC   7225576 . PMID   32467891.
  3. ↑ Wijayawardene, Nalin; Hyde, Kevin; Al-Ani, Laith Khalil Tawfeeq; Somayeh, Dolatabadi; Stadler, Marc; Haelewaters, Danny; et al. (2020). "Outline of Fungi and fungus-like taxa". Mycosphere. 11: 1060–1456. doi: 10.5943/mycosphere/11/1/8 .
  4. ↑ Chethana, Thilini (14 November 2022). "Allelochaeta - Facesoffungi number: FoF 13569". Faces Of Fungi. Retrieved 18 February 2023.
  5. ↑ Geoffrey Clough Ainsworth Ainsworth & Bisby's Dictionary of the Fungi (2008) , p. 20, at Google Books
  6. ↑ Raj, T. R. Nag (March 1978). "Genera coelomycetum. XIV. Allelochaeta, Basilocula, Ceuthosira, Microgloeum, Neobarclaya, Polynema, Pycnidiochaeta, and Xenodomus". Canadian Journal of Botany. 56 (6): 686–707. doi:10.1139/b78-076.
  7. 1 2 Crous, P. W.; Wingfield, M. J.; Cheewangkoon, R.; Carnegie, A. J.; Burgess, T. I.; Summerell, B. A.; Edwards, J.; Taylor, P. W. J.; Groenewald, J. Z. (August 2019). "Foliar pathogens of eucalypts". Stud Mycol. 8 (94): 125–298. doi:10.1016/j.simyco.2019.08.001. PMC   6797021 . PMID   31636729. S2CID   202013426.
  8. 1 2 "Allelochaeta – Plant Parasites of Europe". bladmineerders.nl. Retrieved 18 February 2023.
  9. 1 2 "Sporocadaceae Corda Allelochaeta Petr. Allelochaeta parafalcata Crous". florabase.dpaw.wa.gov.au. Biodiversity and Conservation Science Western Australian Herbarium. Retrieved 19 February 2023.
  10. ↑ "Allelochaeta Petr., 1955". www.gbif.org. Retrieved 18 February 2023.
  11. ↑ "Allelochaeta - Search Page". www.speciesfungorum.org. Species Fungorum. Retrieved 18 February 2023.
  12. ↑ "Allelochaeta falcata". pubchem.ncbi.nlm.nih.gov. Retrieved 19 February 2023.
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