The Pelagic Ecosystem

Raghukumar, Seshagiri

doi:10.1007/978-3-319-54304-8_11

Cited by 4 publications

(3 citation statements)

References 72 publications

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“…Traditionally, marine fungi included higher (i.e., filamentous fungi in Basidiomycota and Ascomycota) and lower (i.e., zoosporic fungi in Chytridiomycota, Oomycetes, and Labyrinthulomycetes) fungi [ 31 ]. However, the latest update on their phylogeny has grouped them into evolved branches (Ascomycota, Basidiomycota, Blastocladiomycota, and Chytridiomycota) and basal lineages (Cryptomycota, Microsporidia, and Aphelida) [ 32 ].…”

Section: Culturable and Molecular Diversity Of Marine Fungimentioning

confidence: 99%

Diversity, Abundance, and Ecological Roles of Planktonic Fungi in Marine Environments

Sen

Wang

2022

JoF

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Fungi are considered terrestrial and oceans are a “fungal desert”. However, with the considerable progress made over past decades, fungi have emerged as morphologically, phylogenetically, and functionally diverse components of the marine water column. Although their communities are influenced by a plethora of environmental factors, the most influential include salinity, temperature, nutrients, and dissolved oxygen, suggesting that fungi respond to local environmental gradients. The biomass carbon of planktonic fungi exhibits spatiotemporal dynamics and can reach up to 1 μg CL−1 of seawater, rivaling bacteria on some occasions, which suggests their active and important role in the water column. In the nutrient-rich coastal water column, there is increasing evidence for their contribution to biogeochemical cycling and food web dynamics on account of their saprotrophic, parasitic, hyper-parasitic, and pathogenic attributes. Conversely, relatively little is known about their function in the open-ocean water column. Interestingly, methodological advances in sequencing and omics approach, the standardization of sequence data analysis tools, and integration of data through network analyses are enhancing our current understanding of the ecological roles of these multifarious and enigmatic members of the marine water column. This review summarizes the current knowledge of the diversity and abundance of planktonic fungi in the world’s oceans and provides an integrated and holistic view of their ecological roles.

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Section: Culturable and Molecular Diversity Of Marine Fungimentioning

confidence: 99%

Diversity, Abundance, and Ecological Roles of Planktonic Fungi in Marine Environments

Sen

Wang

2022

JoF

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“…Labyrinthulomycetes comprise three well-established groups, namely, labyrinthulids, aplanochytrids, and thraustochytrids ( 47 ). Labyrinthulids are usually parasites, symbionts, or mutualists that are prevalent on/in live marine algae and seagrasses.…”

Section: Discussionmentioning

confidence: 99%

Comparative Genomic Analyses of Cellulolytic Machinery Reveal Two Nutritional Strategies of Marine Labyrinthulomycetes Protists

Liu

et al. 2023

Microbiol Spectr

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“…Despite their global distribution in various habitats, including streams, lakes, and oceans, holocarpic oomycetes are still poorly known (Scholz et al 2016). However, these organisms play a pivotal role in the breakdown of plankton blooms, as parasitoids of multicellular and unicellular algae (Scholz et al 2016, Raghukumar 2017, Buaya et al 2017. Most work on diatom parasitoids has been published in the late 19 th and early 20 th century, with the monographic treatments of Karling (1942) and Sparrow (1960) pretty much reflecting the current knowledge of this group.…”

Section: Introductionmentioning

confidence: 99%

Miracula Moenusica , a New Member of the Holocarpic Parasitoid Genus from the Invasive Freshwater Diatom Pleurosira Laevis

Buaya¹,

Thines²

2019

Fungal Systematics and Evolution

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Holocarpic oomycetes are poorly known but widespread parasites in freshwater and marine ecosystems. Most of the holocarpic species seem to belong to clades that diverge before the two crown lineages of the oomycetes, the Saprolegniomycetes and the Peronosporomycetes. Recently, the genus Miracula was described to accommodate Miracula helgolandica, a holocarpic parasitoid of Pseudo-nitzschia diatoms, which received varying support for its placement as the earliest-diverging oomycete lineage. In the same phylogenetic reconstruction, Miracula helgolandica was grouped with some somewhat divergent sequences derived from environmental sequencing, indicating that Miracula would not remain monotypic. Here, a second species of Miracula is reported, which was found as a parasitoid in the limnic centric diatom Pleurosira leavis. Its life-cycle stages are described and depicted in this study and its phylogenetic placement in the genus Miracula revealed. As a consequence, the newly discovered species is introduced as Miracula moenusica.

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The Pelagic Ecosystem

Cited by 4 publications

References 72 publications

Diversity, Abundance, and Ecological Roles of Planktonic Fungi in Marine Environments

Diversity, Abundance, and Ecological Roles of Planktonic Fungi in Marine Environments

Comparative Genomic Analyses of Cellulolytic Machinery Reveal Two Nutritional Strategies of Marine Labyrinthulomycetes Protists

Miracula Moenusica , a New Member of the Holocarpic Parasitoid Genus from the Invasive Freshwater Diatom Pleurosira Laevis

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