Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity
Abstract The ectomycorrhizal genus Lactifluus is known to contain many species complexes, consisting of morphologically very similar species, which can be considered cryptic or pseudocryptic. In this paper, a thorough molecular study is performed of the clade around Lactifluus deceptivus (originally...
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BMC
2019-09-01
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| Series: | IMA Fungus |
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| Online Access: | http://link.springer.com/article/10.1186/s43008-019-0017-3 |
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| author | Lynn Delgat Glen Dierickx Serge De Wilde Claudio Angelini Eske De Crop Ruben De Lange Roy Halling Cathrin Manz Jorinde Nuytinck Annemieke Verbeken |
| author_facet | Lynn Delgat Glen Dierickx Serge De Wilde Claudio Angelini Eske De Crop Ruben De Lange Roy Halling Cathrin Manz Jorinde Nuytinck Annemieke Verbeken |
| author_sort | Lynn Delgat |
| collection | DOAJ |
| description | Abstract The ectomycorrhizal genus Lactifluus is known to contain many species complexes, consisting of morphologically very similar species, which can be considered cryptic or pseudocryptic. In this paper, a thorough molecular study is performed of the clade around Lactifluus deceptivus (originally described by Peck from North America) or the deceptive milkcaps. Even though most collections were identified as L. deceptivus, the clade is shown to contain at least 15 species, distributed across Asia and America, indicating that the L. deceptivus clade represents a species complex. These species are morphologically very similar and are characterized by a tomentose pileus with thin-walled hyphae and a velvety stipe with thick-walled hyphae. An ITS1 sequence was obtained through Illumina sequencing for the lectotype of L. deceptivus, dating from 1885, revealing which clade represents the true L. deceptivus. In addition, it is shown that three other described species also belong to the L. deceptivus clade: L. arcuatus, L. caeruleitinctus and L. mordax, and molecularly confirmed that L. tomentoso-marginatus represents a synonym of L. deceptivus. Furthermore, two new Neotropical species are described: Lactifluus hallingii and L. domingensis. |
| format | Article |
| id | doaj-art-ffa7f85b5a394eb8843d3acc37c869b2 |
| institution | Kabale University |
| issn | 2210-6359 |
| language | English |
| publishDate | 2019-09-01 |
| publisher | BMC |
| record_format | Article |
| series | IMA Fungus |
| spelling | doaj-art-ffa7f85b5a394eb8843d3acc37c869b22025-02-02T11:34:29ZengBMCIMA Fungus2210-63592019-09-0110111610.1186/s43008-019-0017-3Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversityLynn Delgat0Glen Dierickx1Serge De Wilde2Claudio Angelini3Eske De Crop4Ruben De Lange5Roy Halling6Cathrin Manz7Jorinde Nuytinck8Annemieke Verbeken9Department of Biology, Research group Mycology, Ghent UniversityDepartment of Biology, Research group Mycology, Ghent UniversityDepartment of Biology, Research group Mycology, Ghent UniversityVia Cappuccini 78/8Department of Biology, Research group Mycology, Ghent UniversityDepartment of Biology, Research group Mycology, Ghent UniversityInstitute of Systematic Botany, The New York Botanical GardenFaculty of Biology, Systematic Botany and Mycology, University of MarburgNaturalis Biodiversity CenterDepartment of Biology, Research group Mycology, Ghent UniversityAbstract The ectomycorrhizal genus Lactifluus is known to contain many species complexes, consisting of morphologically very similar species, which can be considered cryptic or pseudocryptic. In this paper, a thorough molecular study is performed of the clade around Lactifluus deceptivus (originally described by Peck from North America) or the deceptive milkcaps. Even though most collections were identified as L. deceptivus, the clade is shown to contain at least 15 species, distributed across Asia and America, indicating that the L. deceptivus clade represents a species complex. These species are morphologically very similar and are characterized by a tomentose pileus with thin-walled hyphae and a velvety stipe with thick-walled hyphae. An ITS1 sequence was obtained through Illumina sequencing for the lectotype of L. deceptivus, dating from 1885, revealing which clade represents the true L. deceptivus. In addition, it is shown that three other described species also belong to the L. deceptivus clade: L. arcuatus, L. caeruleitinctus and L. mordax, and molecularly confirmed that L. tomentoso-marginatus represents a synonym of L. deceptivus. Furthermore, two new Neotropical species are described: Lactifluus hallingii and L. domingensis.http://link.springer.com/article/10.1186/s43008-019-0017-3BasidiomycotaRussulalesLactifluus sect. AlbatiTaxonomyPhylogenyNew taxa |
| spellingShingle | Lynn Delgat Glen Dierickx Serge De Wilde Claudio Angelini Eske De Crop Ruben De Lange Roy Halling Cathrin Manz Jorinde Nuytinck Annemieke Verbeken Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity IMA Fungus Basidiomycota Russulales Lactifluus sect. Albati Taxonomy Phylogeny New taxa |
| title | Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity |
| title_full | Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity |
| title_fullStr | Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity |
| title_full_unstemmed | Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity |
| title_short | Looks can be deceiving: the deceptive milkcaps (Lactifluus, Russulaceae) exhibit low morphological variance but harbour high genetic diversity |
| title_sort | looks can be deceiving the deceptive milkcaps lactifluus russulaceae exhibit low morphological variance but harbour high genetic diversity |
| topic | Basidiomycota Russulales Lactifluus sect. Albati Taxonomy Phylogeny New taxa |
| url | http://link.springer.com/article/10.1186/s43008-019-0017-3 |
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