Article
Ecology
Griffin Srednick, Alyssa Cohen, Olivia Diehl, Kaela Tyler, Stephen E. Swearer
Summary: Understanding spatiotemporal variation in species abundance is crucial for understanding ecosystem resilience. This study investigates how habitat attributes mediate the effects of herbivory on tropical marine macroalgal communities and influence community assembly at different scales. The results show that reduced accessibility and detectability of habitat attributes can lead to variable trajectories and community structures in algal communities. This suggests that habitat attributes play a significant role in consumer-resource interactions, which ultimately affect species diversity, succession, and stability in algal metacommunities.
Article
Marine & Freshwater Biology
Seung Wook Jung, Chang Geun Choi
Summary: This study conducted a community and succession analysis of an artificial reef and natural rock mass. The results showed that the macroalgae community of the artificial reef showed a species composition and a community structure similar to that of natural rock masses. Therefore, characterizing the dominant species and life cycle of macroalgae in a target region prior to the establishment of artificial reef is important.
OCEAN SCIENCE JOURNAL
(2022)
Article
Engineering, Marine
Anglu Shen, Hongyue Liu, Quandong Xin, Qingjing Hu, Xinliang Wang, Jufa Chen
Summary: Phosphorus is an essential nutrient for phytoplankton growth and regulates the succession of diatoms and dinoflagellates blooms in the East China Sea. This study investigated the growth interactions among major bloom-forming species and revealed that the survival strategies of Prorocentrum donghaiense and Karenia mikimotoi were superior to Skeletonema costatum in bi-algal cultures. The competition results varied with different P concentrations and sources, providing evidence for understanding the bloom succession in the ECS.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2022)
Article
Ecology
Thomas C. Adam, Sally J. Holbrook, Deron E. Burkepile, Kelly E. Speare, Andrew J. Brooks, Mark C. Ladd, Andrew A. Shantz, Rebecca Vega Thurber, Russell J. Schmitt
Summary: The outcomes of species interactions can vary greatly in time and space, and this study found that benthic algae can colonize coral reefs and inhibit reef-building corals in the absence of herbivorous fishes. However, corals can also inhibit colonization by macroalgae. The experiments also showed that juvenile corals have a strong priority effect in suppressing macroalgae, even in the absence of herbivores.
Article
Multidisciplinary Sciences
Janina Leinberger, Felix Milke, Magdalini Christodoulou, Anja Poehlein, Javier Caraveo-Patino, Andreas Teske, Thorsten Brinkhoff
Summary: Life at hydrothermal vent sites relies on chemosynthetic primary producers supplying substrates for heterotrophic microorganisms and biomass for higher trophic levels. Bacterial and archaeal communities attached to deep-sea squat lobsters differ significantly from those in ambient sea water. The epibiotic bacteria on the lobsters are mainly chemoautotrophic Gammaproteobacteria, while archaea are predominantly affiliated with Ca. Nitrosopumilus. Sea water samples have a higher abundance of Marine Group II and III archaea, as well as organoheterotrophic Alphaproteobacteria, Flavobacteriia, and Planctomycetacia. The identified taxa suggest that the main metabolic processes carried out by the lobster epibionts include ammonia, methane, and sulphide oxidation. A mutualistic host-microbe relationship is likely due to the lobster benefiting from sulphide detoxification by its epibionts.
SCIENTIFIC REPORTS
(2022)
Article
Food Science & Technology
Xueao Ji, Longyun Zhang, Xiaowei Yu, Fujiang Chen, Fengxue Guo, Qun Wu, Yan Xu
Summary: The initial microbial community is crucial for the quality of fermented foods. This study examined the microbial succession during stacking and alcoholic fermentation of sesame flavor-type baijiu using high-throughput sequencing and statistical methods. A strategy for selecting the initial microbial community in alcoholic fermentation was proposed based on the results. The study also developed a succession distance-guided approach to improve the quality of baijiu.
FOOD RESEARCH INTERNATIONAL
(2023)
Article
Multidisciplinary Sciences
Jason E. Tanner, Joseph H. Connell
Summary: This study describes the benthic composition data from surveys conducted over 41 years at Heron reef, providing valuable insights into the changes in coral composition over time. It is the longest existing photographic record of coral cover, offering a temporal contrast to more recent studies.
Article
Marine & Freshwater Biology
Kwon Mo Yang, Jeong Ha Kim
Summary: This study investigated the inhibitory effects of ulvoid algae and their seasonality on the recovery and succession of an intertidal algal community. The presence of Ulva species delayed the succession, with seasonal effects significantly affecting the speed of succession.
PHYCOLOGICAL RESEARCH
(2021)
Article
Microbiology
Xiaojie Chai, Lingling Zheng, Jin Liu, Jiao Zhan, Lirong Song
Summary: The diatom Skeletonema costatum and the haptophyte Phaeocystis globosa form blooms in the South China Sea. P limitation affects the growth and photosystem II performance of S. costatum, while P. globosa can maintain its photosynthetic activity and avoid serious damage under P limitation. The present work highlights the close interaction between P limitation tolerance and photosynthetic responses of these two species.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Ecology
Phumlile Cotiyane-Pondo, Thomas G. Bornman
Summary: This study investigated the colonization of benthic diatoms on artificial substrates in two different environments along the warm temperate coast of South Africa. The results showed contrasting diatom community development between the two sites, with environmental variables playing a significant role as drivers of the diatom community descriptors. The study suggests that benthic diatoms on artificial substrates can be used as indicators of change along the coastline, with site-specific differences influenced by habitat complexity and environmental variability.
FRONTIERS IN ECOLOGY AND EVOLUTION
(2021)
Article
Environmental Sciences
Natalie Corrales, Mariana Meerhoff, Dermot Antoniades
Summary: Studies have shown that glyphosate-based herbicides can have suppressive and stimulatory effects on diatoms in aquatic ecosystems, impacting community structure and diversity significantly.
ENVIRONMENTAL POLLUTION
(2021)
Article
Biotechnology & Applied Microbiology
Olivier Laroche, Olga Pantos, Joanne M. Kingsbury, Anastasija Zaiko, Jessica Wallbank, Gavin Lear, Jacob Thompson-Laing, Francois Audrezet, Stefan Maday, Fraser Doake, Robert Abbel, Maxime Barbier, Hayden Masterton, Regis Risani, Dawn Smith, Beatrix Theobald, Louise Weaver, Xavier Pochon
Summary: Complex microbial communities on plastic substrates are strongly shaped by geographic location and duration of submersion, with the most significant changes occurring within two weeks. Certain diatom species, such as Cylindrotheca, Navicula, and Nitzschia, exhibit early colonization and strong adhesion capabilities. Plastic type and UV-ageing also affect community composition, with some taxa showing substrate-specificity. This study emphasizes the importance of plastic types for colonization in the ocean.
Article
Ecology
Janne Soininen
Summary: This study aimed to investigate the variation of stream diatom community assembly processes at different spatial scales. It was found that environmental filtering dominated the assembly of diatom communities, especially at small scales, while stochastic factors such as random dispersal and ecological drift became more influential at larger scales.
FRESHWATER BIOLOGY
(2023)
Article
Forestry
Yuanyong Li, Qian Tang, Congjun Yuan, Sixi Zhu, Yuyan Ye, Peng Wu, Yingchun Cui, Fangjun Ding
Summary: Soil microbes play a crucial role in karst ecosystems, and studying their community changes during vegetation succession can help us understand the mechanisms driving succession dynamics. In this study, we used high-throughput sequencing to investigate the variations in soil microbial communities in a karst area across four successional stages. We found that the diversity and composition of bacterial and fungal communities changed more significantly in the topsoil than in the subsoil during succession, with soil fungi being more responsive to successional stage changes.
Article
Environmental Sciences
Xiaolu Wang, Shan Jiang, Ying Wu, Yanna Wang
Summary: This study investigates the dynamics of nutrients and organic matter during the natural transition from a diatom bloom to a dinoflagellate bloom. The experiment reveals that the succession is triggered by phosphorus limitation, and nutrient availability significantly affects organic carbon production.
FRONTIERS IN MARINE SCIENCE
(2022)
Article
Geosciences, Multidisciplinary
Jinpeng Zhang, Michal Tomczak, Chao Li, Andrzej Witkowski, Shun Li, Yang Zhou, Jakub Miluch
Summary: The study of the Hainan Delta core reveals four stages of delta development supported by factors such as grain size, dinoflagellate cysts, and diatoms. The organic matter is a mixture of terrigenous and marine sources, with rapid mineralization leading to high abundance of dinoflagellate cysts. The rarity of fossil diatoms can be attributed to high dilution and lateral transport processes.
JOURNAL OF ASIAN EARTH SCIENCES
(2021)
Article
Biochemistry & Molecular Biology
Romain Gastineau, Nikolai A. Davidovich, Olga I. Davidovich, Claude Lemieux, Monique Turmel, Rafal J. Wrobel, Andrzej Witkowski
Summary: In this study, the plastid genomes of three diatoms from the genus Climaconeis were sequenced, with two strains of Climaconeis scalaris having the largest genomes ever sequenced among diatoms. Significant rearrangements of gene order were identified in the two populations of Climaconeis cf. scalaris. Another sequenced Climaconeis chloroplast genome was 1.5 times smaller than those of the Climaconeis cf. scalaris strains and had a different quadripartite structure. Extensive structural changes in the Climaconeis genus were compared with those seen in other algae and plants with large plastid genomes.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Biochemistry & Molecular Biology
Myroslav Sprynskyy, Paulina Szczyglewska, Izabela Wojtczak, Izabela Nowak, Andrzej Witkowski, Boguslaw Buszewski, Agnieszka Feliczak-Guzik
Summary: A new catalyst based on biosilica doped with palladium(II) chloride nanoparticles was prepared and tested for efficient degradation of methyl orange in water solution under UV light excitation. The photocatalyst exhibited excellent photodegradation activity toward MO degradation under UV light irradiation, showing rapid photocatalytic degradation within one minute with an efficiency reaching over 98% after 75 min. The proposed mechanism of photodegradation involves the generation of strongly oxidizing species such as HO· and O2·- radicals from diatom biosilica under the influence of UV light excitation.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Plant Sciences
Ewa Gorecka, Matt P. Ashworth, Nikolai Davidovich, Olga Davidovich, Przemyslaw Dabek, Jamal S. M. Sabir, Andrzej Witkowski
Summary: New insights into the marine monoraphid diatom genera Schizostauron and Astartiella were presented, including descriptions of new species, based on molecular and morphological data. Despite the absence of unambiguous morphological synapomorphies between the two genera, they are closely related by DNA sequence data. Molecular results exclude Schizostauron and Astartiella from three clades of exclusively monoraphid diatoms, placing them instead in the Stauroneidaceae family, and their morphological features can also be found in other genera within this clade. The only common feature with monoraphid diatoms as a whole is the heterovalvy of frustules.
JOURNAL OF PHYCOLOGY
(2021)
Article
Plant Sciences
Catherine Riaux-Gobin, Marines Garcia, Andrzej Witkowski, Pablo Saenz-Agudelo, Michel Coste, Genowefa Daniszewska-Kowalczyk
Summary: Psammococconeis and Amphicocconeis are newly created diatom genera with high morphological variability, making identification based on morphology challenging. The sternum valve of Amphicocconeis is similar to Cocconeis, but the raphe valve shows significant differences between the two genera. Amphicocconeis has unique features like curved raphe fissures and striae composed of macroareolae, with valvocopulae usually extended and pores arranged in rows.
Review
Chemistry, Medicinal
Noujoud Gabed, Frederic Verret, Aurelie Peticca, Igor Kryvoruchko, Romain Gastineau, Orlane Bosson, Julie Seveno, Olga Davidovich, Nikolai Davidovich, Andrzej Witkowski, Jon Bent Kristoffersen, Amel Benali, Efstathia Ioannou, Aikaterini Koutsaviti, Vassilios Roussis, Helene Gateau, Suliya Phimmaha, Vincent Leignel, Myriam Badawi, Feriel Khiar, Nellie Francezon, Mostefa Fodil, Pamela Pasetto, Jean-Luc Mouget
Summary: The marine pennate diatom Haslea ostrearia, known for its blue pigment marennine, has potential applications in various industries. The discovery of a new blue Haslea species revealed previously unknown biodiversity. This study advocates for establishing H. ostrearia as a new model organism, highlighting its advantages and the challenges involved.
Article
Pharmacology & Pharmacy
Marta Marzec, Przemyslaw Dlbek, Andrzej Witkowski, Fernanda Monedeiro, Pawel Pomastowski, Boguslaw Buszewski, Izabela Nowak
Summary: In this study, lipid nanocarriers based on microalgae oil and lipids extracted from diatoms were successfully produced using the high shear homogenization method. The physicochemical parameters of the obtained lipid nanocarriers were optimized, and the samples with the best parameters were selected for further study. The lipid nanoparticles obtained had small size, low polydispersity index, and positive charge, which could facilitate electrostatic bonding with the negatively charged skin surface. Moreover, they exhibited good stability at room temperature.
Article
Chemistry, Physical
Weronika Brzozowska, Myroslav Sprynskyy, Izabela Wojtczak, Przemyslaw Dabek, Michal J. Markuszewski, Andrzej Witkowski, Boguslaw Buszewski
Summary: Diatoms are a large group of microalgae that can synthesize complex structures. This study aims to enhance the optical properties of diatoms by investigating their ability to incorporate titanium into their cell walls.
Article
Plant Sciences
Hyesuk Kim, Jong Seong Khim, Andrzej Witkowski, Jinsoon Park
Summary: The genus Fogedia was established in 1997 and subsequently expanded to include a total of 13 species, with the description of a new species called Fogedia orientalis sp. nov. The morphological similarities and differences of the new species, as well as the global distribution of all 13 Fogedia species, have been provided.
Article
Plant Sciences
Catherine Riaux-Gobin, Andrzej Witkowski, Michel Coste, Veronique Berteaux-Lecellier, Genovefa Daniszewska-Kowalczyk
Summary: This study investigated marine diatoms, particularly Cocconeidaceae, in the South Province of New Caledonia. The species diversity varied across different habitats, ranging from low diversity on mangrove mud flats to high diversity on the pneumatophores of Avicennia marina. Diatoms were scarce in macroalgae and in the feces of Acanthopleura gemmata. Interestingly, some taxa previously considered rare in Polynesia were found to be common in New Caledonia.
Review
Chemistry, Physical
Piya Roychoudhury, Rahul Bose, Przemyslaw Dabek, Andrzej Witkowski
Summary: The siliceous exoskeletal shells of diatoms, known as frustules, have attracted attention for their photoluminescence property and high volume to surface area ratio. They can enhance the plasmonic sensitivity of metal nanoparticles and have excellent adsorption and absorption capabilities, which have been utilized in wastewater treatment. By conjugating noble metals with diatom frustules, the metals become more stable and effective.
Article
Plant Sciences
David G. Mann, Norico Yamada, John J. Bolton, Andrzej Witkowski, Rosa Trobajo
Summary: Durinskia capensis is a species of kleptoplastic dinoflagellate found in high intertidal marine rock pools. It relies on certain diatoms, particularly Nitzschia captiva, as its kleptoplastids for survival. Without a supply of these essential diatoms, D. capensis loses its kleptoplastids and dies. Nitzschia captiva differs morphologically from other Nitzschia species and is described as a new species.
Article
Ecology
Norico Yamada, Bernard Lepetit, David G. Mann, Brittany N. Sprecher, Jochen M. Buck, Paavo Bergmann, Peter G. Kroth, John J. Bolton, Przemyslaw Dabek, Andrzej Witkowski, So-Yeon Kim, Rosa Trobajo
Summary: Dinotoms, belonging to the family Kryptoperidiniaceae, have diatom-derived endosymbionts and go through three evolutionary stages. D. capensis is able to use various diatom species as kleptoplastids and exhibits different photosynthetic capacities depending on the diatom species. The ability of D. capensis to ingest supplemental diatoms as kleptoplastids may be a flexible strategy to use these diatoms as emergency supplies.
Article
Marine & Freshwater Biology
Mateusz Rybak, Anton Glushchenko, Andrzej Witkowski, Horst Lange-Bertalot, Maxim Kulikovskiy
Summary: This study describes four new species of the genus Orthoseira from Southeast Asia and Easter Island, as well as provides a solution to the taxonomical history of Liparogyra circularis Ehrenberg and a detailed description of Orthoseira tropica (Krasske) Metzeltin & Lange-Bertalot.
Article
Marine & Freshwater Biology
Adrian Kryk, Andrzej Witkowski, Lourenco Ribeiro, John P. Kociolek, Shigeki Mayama, Rafal J. Wrobel, Yenny Risjani, Yunlanta, John Bemiasa, Etienne Bemanaja
Summary: This paper contributes to the understanding of the biodiversity of marine benthic diatom species worldwide by describing a new diatom genus, Catenulopsis, and proposing new species within the genus. The paper also discusses the characteristics of Catenula adhaerense and the variations in species across different geographic locations.
