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Paterson RRM, Solaiman Z, Santamaria O. Guest edited collection: fungal evolution and diversity. Sci Rep 2023; 13:21438. [PMID: 38052958 PMCID: PMC10698016 DOI: 10.1038/s41598-023-48471-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023] Open
Affiliation(s)
| | - Zakaria Solaiman
- The UWA Institute of Agriculture and UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6009, Australia
| | - Oscar Santamaria
- Department of Plant Production and Forest Resources, Sustainable Forest Management Research Institute, Higher Technical School of Agricultural Engineering, Universidad de Valladolid, Avda. Madrid 57, 34004, Palencia, Spain
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Crahay C, Munaut F, Colpaert JV, Huret S, Declerck S. Genetic stability of ectomycorrhizal fungi is not affected by cryopreservation at -130 °C or cold storage with repeated sub-cultivations over a period of 2 years. MYCORRHIZA 2017; 27:595-601. [PMID: 28361204 DOI: 10.1007/s00572-017-0770-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Accepted: 03/23/2017] [Indexed: 06/07/2023]
Abstract
Cryopreservation is considered the most reliable method for storage of filamentous fungi including ectomycorrhizal (ECM) fungi. A number of studies, however, have reported genetic changes in fungus cultures following cryopreservation. In the present study, the genetic stability of six ECM fungus isolates was analyzed using amplified fragment length polymorphism (AFLP). The isolates were preserved for 2 years either by cryopreservation (at -130 °C) or by storage at 4 °C with regular sub-cultivation. A third preservation treatment consisting of isolates maintained on Petri dishes at 22-23 °C for 2 years (i.e., without any sub-cultivation) was included and used as a control. The differences observed in AFLP patterns between the three preservation methods remained within the range of the total error generated by the AFLP procedure (6.85%). Therefore, cryopreservation at -130 °C and cold storage with regular sub-cultivation did not affect the genetic stability of the ECM fungus isolates, and both methods can be used for the routine storage of ECM fungus isolates over a period of 2 years.
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Affiliation(s)
- Charlotte Crahay
- Earth and Life Institute, Applied Microbiology, Mycology, Université catholique de Louvain, Croix du Sud 2, bte L7.05.06, 1348, Louvain-la-Neuve, Belgium
| | - Françoise Munaut
- Earth and Life Institute, Applied Microbiology, Phytopathology, Université catholique de Louvain, Croix du Sud 2, bte L7.05.03, 1348, Louvain-la-Neuve, Belgium
| | - Jan V Colpaert
- Center for Environmental Sciences, Environmental Biology Group, Universiteit Hasselt, Agoralaan, Gebouw D, 3590, Diepenbeek, Belgium
| | - Stéphanie Huret
- Earth and Life Institute, Applied Microbiology, Mycology, Université catholique de Louvain, Mycothèque de l'Université catholique de Louvain (MUCL), Croix du Sud 2, box L7.05.06, 1348, Louvain-la-Neuve, Belgium
| | - Stéphane Declerck
- Earth and Life Institute, Applied Microbiology, Mycology, Université catholique de Louvain, Croix du Sud 2, bte L7.05.06, 1348, Louvain-la-Neuve, Belgium.
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