Toward a Predictive Understanding of Cyanobacterial Harmful Algal Blooms through AI Integration of Physical, Chemical, and Biological Data DOI Creative Commons
Babetta L. Marrone, Shounak Banerjee, Anjana Talapatra

et al.

ACS ES&T Water, Journal Year: 2023, Volume and Issue: 4(3), P. 844 - 858

Published: Nov. 30, 2023

Freshwater cyanobacterial harmful algal blooms (cyanoHABs) are a worldwide problem resulting in substantial economic losses, due to harm drinking water supplies, commercial fishing, wildlife, property values, recreation, and tourism. Moreover, toxins produced from some cyanoHABs threaten human animal health. Climate warming can affect the distribution of cyanoHABs, where rising temperatures facilitate more intense greater inland freshwater. Nutrient runoff adjacent watersheds is also major driver cyanoHAB formation. While physicochemical factors behind dynamics known, there still gaps our understanding conditions that trigger sustain over time. In this perspective, we suggest sufficient data sets, as well machine learning (ML) artificial intelligence (AI) tools, available build comprehensive model based on integrated environmental/climate, nutrient/water chemistry, microbiome 'omics identify key contributing HAB formation, intensity, toxicity. By taking holistic approach analysis all data, including rapidly growing number biological provide foundational knowledge needed address increasing threat security resources.

Language: Английский

Climate Change and Harmful Algal Blooms: Insights and perspective DOI Creative Commons
Christopher J. Gobler

Harmful Algae, Journal Year: 2019, Volume and Issue: 91, P. 101731 - 101731

Published: Dec. 24, 2019

Climate change is transforming aquatic ecosystems. Coastal waters have experienced progressive warming, acidification, and deoxygenation that will intensify this century. At the same time, there a scientific consensus public health, recreation, tourism, fishery, aquaculture, ecosystem impacts from harmful algal blooms (HABs) all increased over past several decades. The extent to which climate intensifying these HABs not fully clear, but has been wealth of research on topic century alone. Indeed, United Nations' Intergovernmental Panel Change's (IPCC) Special Report Ocean Cryosphere in Changing (SROCC) approved September 2019 was first IPCC report directly link change. In Summary for Policy Makers, made following declarations with "high confidence": addition, specifically outlines series linkages between heat waves HABs. These statements about high levels confidence ascribed them provides clear evidence field matured has, perhaps, reached plateau certainty. While are well-documented global trends being promoted by human activity, including change, individual events driven local, regional, drivers, making it critical carefully evaluate conditions responses at appropriate scales. It within context Issue Change Harmful Algal Blooms published Algae.

Language: Английский

Citations

521
Dynamic CO2 and pH levels in coastal, estuarine, and inland waters: Theoretical and observed effects on harmful algal blooms DOI Creative Commons
John A. Raven, Christopher J. Gobler, Per Juel Hansen

et al.

Harmful Algae, Journal Year: 2019, Volume and Issue: 91, P. 101594 - 101594

Published: April 6, 2019

Rising concentrations of atmospheric CO2 results in higher equilibrium dissolved natural waters, with corresponding increases hydrogen ion and bicarbonate decreases hydroxyl carbonate concentrations. Superimposed on these climate change effects is the dynamic nature carbon cycling coastal zones, which can lead to seasonal diel changes pH that exceed expected for open ocean ecosystems by end century. Among harmful algae, i.e. some species and/or strains Cyanobacteria, Dinophyceae, Prymnesiophyceae, Bacillariophyceae, Ulvophyceae, occurrence a concentrating mechanisms (CCMs) most frequent mechanism inorganic acquisition waters present atmosphere (400 μmol mol-1 total gas), varying phenotypic modification CCM. No data CCMs are available Raphidophyceae or brown tide Pelagophyceae. Several HAB respond increased growth rate cellular toxin content, however, others unaffected. Beyond altered C speciation HABs, likely have profound algal physiology. This review outlines implications HABs reviews knowns unknowns regard how be acidification. We further point large regions uncertainty this evolving field.

Language: Английский

Citations

155
Harmful algal blooms in inland waters DOI
Lian Feng, Ying Wang, Xuejiao Hou

et al.

Nature Reviews Earth & Environment, Journal Year: 2024, Volume and Issue: 5(9), P. 631 - 644

Published: Aug. 27, 2024

Language: Английский

Citations

27
Cyanobacterial community succession and associated cyanotoxin production in hypereutrophic and eutrophic freshwaters DOI
Rahamat Ullah Tanvir, Zhiqiang Hu, Yanyan Zhang

et al.

Environmental Pollution, Journal Year: 2021, Volume and Issue: 290, P. 118056 - 118056

Published: Aug. 27, 2021

Language: Английский

Citations

79
Low Levels of Contaminants Stimulate Harmful Algal Organisms and Enrich Their Toxins DOI
Evgenios Agathokleous, Josep Peñuelas, Ricardo Antunes Azevedo

et al.

Environmental Science & Technology, Journal Year: 2022, Volume and Issue: 56(17), P. 11991 - 12002

Published: Aug. 13, 2022

A widespread increase in intense phytoplankton blooms has been noted lakes worldwide since the 1980s, with summertime peak intensity amplifying most lakes. Such cause annual economic losses of multibillion USD and present a major challenge, affecting 11 out 17 United Nations Sustainable Development Goals. Here, we evaluate recent scientific evidence for hormetic effects emerging contaminants regulated pollutants on Microcystis sp., notorious cyanobacteria forming harmful algal releasing phycotoxins eutrophic freshwater systems. This new leads to conclusion that pollution is linked bloom intensification. Concentrations are considerably smaller than threshold toxicity enhance formation colonies, production their release into environment, lower efficacy algaecides control blooms. The low-dose enhancement microcystins attributed up-regulation protein controlling microcystin (McyH) various synthetases tandem global nitrogen regulator Ycf28, nonribosomal peptide synthetases, several ATP-binding cassette transport proteins. Given colony phycotoxin enhanced by contaminant concentrations toxicological widely occurring effect more prevalent previously thought. Climate change nutrient enrichment, known mechanisms underpinning blooms, thus joined low-level as another causal mechanism.

Language: Английский

Citations

54
Perceived Intensification in Harmful Algal Blooms Is a Wave of Cumulative Threat to the Aquatic Ecosystems DOI Creative Commons
Syed Shabi Ul Hassan Kazmi, Neelamanie Yapa, Samantha C. Karunarathna

et al.

Biology, Journal Year: 2022, Volume and Issue: 11(6), P. 852 - 852

Published: June 2, 2022

Aquatic pollution is considered a major threat to sustainable development across the world, and deterioration of aquatic ecosystems caused usually by harmful algal blooms (HABs). In recent times, HABs have gained attention from scientists better understand these phenomena given that are increasing in intensity distribution with considerable impacts on ecosystems. Many exogenous factors such as variations climatic patterns, eutrophication, wind blowing, dust storms, upwelling water currents form blooms. Globally, HAB formation toxicity natural sources, ultimately leading deleterious hazardous effects fauna flora. This review summarizes types their potential effects, toxicity, grazing defense, human health impacts, management, control entities. offers systematic approach towards understanding HABs, eliciting rethink world. Therefore, mitigate this environments, advanced scientific research ecology environmental sciences should be prioritized.

Language: Английский

Citations

48
Understanding and predicting harmful algal blooms in a changing climate: A trait‐based framework DOI Creative Commons
Elena Litchman

Limnology and Oceanography Letters, Journal Year: 2022, Volume and Issue: 8(2), P. 229 - 246

Published: Dec. 8, 2022

Abstract The worldwide proliferation of harmful algal blooms (HABs) both in freshwater and marine ecosystems make understanding predicting their occurrence urgent. Trait‐based approaches, where the focus is on functional traits, have been successful explaining community structure dynamics diverse but not applied extensively to HABs. existing trait compilations suggest that HAB taxa differ from non key traits determine responses major environmental drivers. Multi‐trait comparisons between HAB‐forming other phytoplankton taxa, as well within groups characterize interspecific intraspecific differences will help better define ecological niches different develop trait‐based mechanistic models, identify conditions would likely lead Building databases using them statistical models increase our ability predict occurrence, composition, severity under changing conditions, including anthropogenic global change.

Language: Английский

Citations

39
The Genetic Basis of Toxin Biosynthesis in Dinoflagellates DOI Creative Commons
Arjun Verma, Abanti Barua,

Rendy Ruvindy

et al.

Microorganisms, Journal Year: 2019, Volume and Issue: 7(8), P. 222 - 222

Published: July 29, 2019

In marine ecosystems, dinoflagellates can become highly abundant and even dominant at times, despite their comparatively slow growth rates. One factor that may play a role in ecological success is the production of complex secondary metabolite compounds have anti-predator, allelopathic, or other toxic effects on organisms, also cause seafood poisoning humans. Our knowledge about genes involved toxin biosynthesis currently limited due to genomic features these organisms. Most recently, sequencing dinoflagellate transcriptomes has provided us with valuable insights into polyketide alkaloid-based molecules species. This review synthesizes recent progress been made understanding evolution, biosynthetic pathways, gene regulation aid transcriptomic molecular genetic tools, provides pathway for future studies this exciting omics era.

Language: Английский

Citations

64
Harnessing the omics revolution to address the global biodiversity crisis DOI
Luis F. De León, Bruna Silva, Kevin J. Avilés‐Rodríguez

et al.

Current Opinion in Biotechnology, Journal Year: 2023, Volume and Issue: 80, P. 102901 - 102901

Published: Feb. 10, 2023

Language: Английский

Citations

19
Progress and challenges in exploring aquatic microbial communities using non-targeted metabolomics DOI Creative Commons
Monica Thukral, Andrew E. Allen, Daniel Petras

et al.

The ISME Journal, Journal Year: 2023, Volume and Issue: 17(12), P. 2147 - 2159

Published: Oct. 19, 2023

Abstract Advances in bioanalytical technologies are constantly expanding our insights into complex ecosystems. Here, we highlight strategies and applications that make use of non-targeted metabolomics methods aquatic chemical ecology research discuss opportunities remaining challenges mass spectrometry-based to broaden understanding environmental systems.

Language: Английский

Citations

18