The sexual phase of the diatom Pseudo-nitzschia multistriata: cytological and time-lapse cinematography characterization

@article{Scalco2015TheSP,
  title={The sexual phase of the diatom Pseudo-nitzschia multistriata: cytological and time-lapse cinematography characterization},
  author={Eleonora Scalco and Alberto Amato and Maria Immacolata Ferrante and Marina Montresor},
  journal={Protoplasma},
  year={2015},
  volume={253},
  pages={1421-1431}
}
Pseudo-nitzschia is a thoroughly studied pennate diatom genus for ecological and biological reasons. Many species in this genus, including Pseudo-nitzschia multistriata, can produce domoic acid, a toxin responsible for amnesic shellfish poisoning. Physiological, phylogenetic and biological features of P. multistriata were studied extensively in the past. Life cycle stages, including the sexual phase, fundamental in diatoms to restore the maximum cell size and avoid miniaturization to death… 
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18 Citations
Background Citations
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Methods Citations
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Results Citations
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18 Citations

Citation Type

Citation Type

A Metabolomics Exploration of the Sexual Phase in the Marine Diatom Pseudo-nitzschia multistriata
TLDR
It is hypothesized that the amount and nature of cellular metabolites varies along the mating process, and the role of highly regulated compounds such as 7-dehydrodesmosterol, whose changes in abundance were the highest in the experiment, oleamide, ectoine, or trigonelline is discussed.
Trade-off between sex and growth in diatoms: Molecular mechanisms and demographic implications
Diatoms are fast-growing and winning competitors in aquatic environments, possibly due to optimized growth performance. However, their life cycles are complex, heteromorphic, and not fully…
Sexual reproduction and genetic polymorphism within the cosmopolitan marine diatom Pseudo-nitzschia pungens
TLDR
The results implicate that gene exchange and mixing between different clades are still possible, and that sexual reproduction is a significant ecological strategy to maintain the genetic diversity within this diatom species.
MRP3 is a sex determining gene in the diatom Pseudo-nitzschia multistriata
TLDR
In the diatom Pseudo-nitzschia multistriata, the gene MRP3 regulates mating type and the expression of four other mating-type biased genes, indicating that they lie downstream.
Pheromone Mediated Sexual Reproduction of Pennate Diatom Cylindrotheca closterium
TLDR
Pheromone guided mating in the coastal raphid diatom Cylindrotheca closterium is described and it is shown that the two mating types (mt+ and mt−) have distinct functions.
The Role of Life Cycle Characteristics in Harmful Algal Bloom Dynamics
TLDR
These life cycles are clearly adaptable to a broad range of environments as shown by their widespread distribution and abundance and are likely to provide further insights into algal species ecology broadly, including responses to global climate change, ocean acidification, and coastal nutrient enrichment.
Pseudo-nitzschia, Nitzschia, and domoic acid: New research since 2011.
Finding a partner in the ocean: molecular and evolutionary bases of the response to sexual cues in a planktonic diatom
TLDR
The controllable life cycle and genome sequence of P. multistriata allow the reconstruction of changes occurring in diatoms in a key phase of their life cycle, providing hints on the evolution and putative function of their genes and empowering studies on sexual reproduction.
Interspecific plastidial recombination in the diatom genus Pseudo‐nitzschia
TLDR
Signs of hybridization were evident in four of five clusters, suggesting that, in diatoms, plastidial recombination is not absent and hybridization can play a role in speciation of Pseudo‐nitzschia spp.
Effects of elutriates from contaminated coastal sediments on different life cycle phases of planktonic diatoms.
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