Occurrence and distribution of Perichaena (Trichiaceae, Myxomycetes) in the Brazilian Northeastern Region

Cavalcanti, Laise de Holanda; Bezerra, Andrea Carla Caldas; Barbosa, David Itallo; Agra, Leandro de Almeida Neves Nepomuceno; Powell, Nestor Valente; Lima, Vítor Xavier de; Costa, Adrielle Rodrigues

doi:10.1590/0102-33062015abb0238

Cited by 3 publications

(3 citation statements)

References 24 publications

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“…Moreover, this is the first record of the genus Perichaena in the Pantanal biome. Previous records of P. corticalis in Brazil were, until then, in the northeast region, on vegetal substrates (Cavalcanti et al 2016). Records as fimicolous were reported in Algeria, Australia, Chile, China, Congo, Croatia, France, Hungary, Italy, Japan, Madagascar, Mongolia, Oman, Russia, Sri Lanka, Sweden, Tanzania, and USA (Calaça et al 2020); therefore, this is the first record of the species as fimicolous for Brazil.…”

Section: Descriptionmentioning

confidence: 56%

First reports of fimicolous myxomycetes (Protozoa: Amoebozoa) from Brazilian Cerrado and Pantanal biomes

Calaça¹,

Araújo²,

Tereza³

et al. 2020

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Fimicolous organisms are those that can grow on dung. These substrates offer conditions that favour colonization by microorganisms, such as high nutrient and moisture content and an alkaline-neutral pH that is especially advantageous in arid/desertic regions. There are about 250 species of myxomycetes known from Brazil, which are distributed in all geographic regions and biomes, obtained mainly from plant-derived substrates. However, there are some reports of fimicolous myxomycetes in Brazil. In this study, we expand this knowledge with new records of fimicolous myxomycetes in multiple Brazilian biomes. Between 2017 and 2018, horse and cattle dung samples were collected in municipal areas in the State of Goiás (Cerrado biome): Pirenópolis, Goiás, and Porangatu; and the State of Mato Grosso (Pantanal biome): Poconé. Samples were incubated in moist chambers and monitored for four months. Myxomycetous fructifications were observed, photographed under stereo and light microscopes, and morphologically identified. Vouchers were deposited at the HUEG Herbarium. A total of five species of myxomycetes were recorded: Arcyria cinerea and Physarum viride (Pirenópolis), P. cinereum (Goiás City), P. melleum (Porangatu), and Perichaena corticalis (Poconé). They represent the first records of fimicolous myxomycetes from the Brazilian Cerrado and Pantanal biomes. Additionally, P. melleum was reported as fimicolous for the first time in Brazil and the second time in the world; P. corticalis was reported for the first time in midwest region as well as for the first time as fimicolous in Brazil; and P. viride was reported for the first time as fimicolous in the world.

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Section: Descriptionmentioning

confidence: 56%

First reports of fimicolous myxomycetes (Protozoa: Amoebozoa) from Brazilian Cerrado and Pantanal biomes

Calaça¹,

Araújo²,

Tereza³

et al. 2020

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“…Perichaena calongei was reported in Brazil for the first time by Araujo et al (2015), who obtained it from moist chamber culture mounted with dead leaves and bark of living trees from Cerrado in the state of Goiás. This species was recorded for the first time in the Northeast Region in Ombrophilous Dense Submontane Forest of the Atlantic Forest in the state of Bahia, by moist-chamber culture mounted with lianas collected at Private Reserve of Natural Heritage (RPPN) Serra do Teimoso and, subsequently, at CEPE in Restinga of RPPN Mata Estrela in the state of Rio Grande do Norte (Cavalcanti et al 2016).…”

Section: Resultsmentioning

confidence: 99%

“…Studies focusing on the corticolous myxobiota of Brazil were initiated by Cavalcanti (1974), who recorded 20 species on the bark of 300 trees of the Cerrado biome, of which 13 taxa were obtained through moist-chamber culture. listed ten species found on 20 specimens of Terminalia cattapa (Combretaceae), during 12 months of study in urban environments in Recife, Pernambuco.…”

Section: Introductionmentioning

confidence: 99%

Corticolous myxobiota of the Pernambuco Center of Endemism, Brazil

et al. 2016

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Situated within the Atlantic Forest domain, the Centro de Endemismo Pernambuco (Pernambuco Center of Endemism) -CEPE is regarded as a priority for biodiversity conservation worldwide. Covering an area of approximately 56,000 km 2 , it encompasses part of the states of Alagoas, Pernambuco, Paraíba and Rio Grande do Norte in northeastern Brazil. Here we present an identifi cation key to 73 species of Myxomycetes that compose the known corticolous myxobiota of the Dense Ombrofi lous Lowland Forest, Semideciduous Lowland Forest, Restinga Forest and Mangrove environments of CEPE. Specimens included here were found developed in natural conditions in the fi eld or obtained through moist chamber culture. Among the species found, Arcyria cinerea, Clastoderma debaryanum, Cribraria confusa, C. violacea and Echinostelium minutum were the most common; and Comatricha longipila, Licea pedicellata, Paradiachaeopsis longipes, Perichaena calongei and Stemonaria fuscoides were the most rare. Our data indicates that the species richness of corticolous myxomycetes in rainforests is lower than that of temperate forests. Th ese same data also suggest that taxonomic diversity (mean number of species per genus) is similar to, or higher than, that found in temperate regions of the world.

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Diversity of Myxomycetes in arid zones of Peru part II: the cactus belt and transition zones

Lado¹,

Basanta²,

Estrada–Torres³

et al. 2019

Anal. Jard. Bot. Madr.

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The results obtained from a second survey for Myxomycetes in the arid areas of Peru are reported. A total of 37 localities from the cactus belt (‘cardonal’), between 1500 and 3000 m a.s.l., were sampled over six years. This survey is based on 601 identifiable collections of myxomycetes, developed in the field under natural conditions or those that were recovered from moist chamber cultures. In total, 84 taxa representing 19 genera were recorded. One new species, Cribraria spinispora Lado & D.Wrigley sp. nov., is described, three species new to South America and 22 additional new species for Peru are reported as well. Endemic plants, expecially cacti, had a particular relevance as myxomycete substrates. The predominance of the order Physarales T.Macbr. in arid areas is reinforced. Comments are included on some collections, as well as SEM micrographs of several species. A statistical evaluation of the diversity of myxomycetes in the cardonal area and a comparison of this area with the dry coastal desert of Peru and other Neotropical xeric environments are also included. Results show that the arid areas are rich in myxomycetes, and that each area has a unique assemblage. The differences appear to be related to the host plants.

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Occurrence and distribution of Perichaena (Trichiaceae, Myxomycetes) in the Brazilian Northeastern Region

Cited by 3 publications

References 24 publications

First reports of fimicolous myxomycetes (Protozoa: Amoebozoa) from Brazilian Cerrado and Pantanal biomes

First reports of fimicolous myxomycetes (Protozoa: Amoebozoa) from Brazilian Cerrado and Pantanal biomes

Corticolous myxobiota of the Pernambuco Center of Endemism, Brazil

Diversity of <em>Myxomycetes</em> in arid zones of Peru part II: the cactus belt and transition zones

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