Climate Change and Sponges: An Introduction

Carballo, José Luís; Bell, James J.

doi:10.1007/978-3-319-59008-0_1

Cited by 16 publications

(17 citation statements)

References 77 publications

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“…Recently, such relationships have recently been actively studied in both marine [23–25] and freshwater sponges [26–30], especially as the response of microbiomes or holobiomes to natural stress (for example, a rise in temperature), and in the context of intrapopulation and biogeographical stability and variability [31–35]. Violation of symbiotic relationships between macro- and microorganisms often leads to diseases and death of sponges, and in the case of the most massive lesions, up to 95% of hosts are affected by the disease [36–38].…”

Section: Introductionmentioning

confidence: 99%

“…An increasing number of reports about sponge diseases and their mass mortality has been published [39–49]. These events can significantly affect the ecosystem as a whole, at least in some cases [36–38,50–54]. Despite the fact that infectious agents are often considered the main factors that cause the mass death of hydrobionts [38–40,48,55,56], only in two cases listed below it has it been possible to isolate and prove the pathogenicity of a certain type of microorganism for marine sponges.…”

Section: Introductionmentioning

confidence: 99%

“…These events can significantly affect the ecosystem as a whole, at least in some cases [36–38,50–54]. Despite the fact that infectious agents are often considered the main factors that cause the mass death of hydrobionts [38–40,48,55,56], only in two cases listed below it has it been possible to isolate and prove the pathogenicity of a certain type of microorganism for marine sponges. In the first case, the strain identified as Alphaproteobacteria NW4327 was isolated in 1998 from necrotic tissues of the Rhopaloeides odorabile sponge, which caused all symptoms of sponge disease in laboratory experiments [55].…”

Section: Introductionmentioning

confidence: 99%

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Diversity and shifts of the bacterial community associated with Baikal sponge mass mortalities

et al. 2019

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The disease of freshwater sponges was first discovered in 2011, when pink samples were found in the Central Basin of Lake Baikal. Subsequently, the visible signs of the disease have changed, and now sponges appear with various symptoms of damage to the body, such as discoloration, tissue necrosis, the formation of brown patches and dirty-purple biofilms on some branches. These signs of the disease are accompanied by the mass death of sponges. We identified differences in microbiomes by sequencing 16S rRNA genes and found changes in the consortium of microorganisms of freshwater Baikal sponges. We found that the observed imbalance in the studied microbial communities of diseased sponges is caused by several different conditionally pathogenic microorganisms that increase their negative effect by acting together and in concert, which leads to the death of photosynthetic microalgae and sponges. Sponges are an important component of coastal communities, and the massive loss of sponges can obviously affect the structure of benthic communities and the purity of water.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Diversity and shifts of the bacterial community associated with Baikal sponge mass mortalities

et al. 2019

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“…This is especially true in the Antarctic, where they are among the most common benthic species, providing habitat and food for a wide range of organisms (McClintock et al, 2005; Cárdenas et al, 2016; Cárdenas & Montiel, 2017; Gutt et al, 2017). Sponges, like most marine species, will be broadly, and perhaps adversely, affected by climate change, but at present studies into their capacity to cope with increases in temperature are limited in scope and number (Bell et al, 2015; Carballo & Bell, 2017).…”

Section: Introductionmentioning

confidence: 99%

Warm temperatures, cool sponges: the effect of increased temperatures on the Antarctic spongeIsodictyasp.

González-Aravena

Kenny

Osorio

et al. 2019

PeerJ

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Although the cellular and molecular responses to exposure to relatively high temperatures (acute thermal stress or heat shock) have been studied previously, only sparse empirical evidence of how it affects cold-water species is available. As climate change becomes more pronounced in areas such as the Western Antarctic Peninsula, both long-term and occasional acute temperature rises will impact species found there, and it has become crucial to understand the capacity of these species to respond to such thermal stress. Here, we use the Antarctic sponge Isodictya sp. to investigate how sessile organisms (particularly Porifera) can adjust to acute short-term heat stress, by exposing this species to 3 and 5 °C for 4 h, corresponding to predicted temperatures under high-end 2080 IPCC-SRES scenarios. Assembling a de novo reference transcriptome (90,188 contigs, >93.7% metazoan BUSCO genes) we have begun to discern the molecular response employed by Isodictya to adjust to heat exposure. Our initial analyses suggest that TGF-β, ubiquitin and hedgehog cascades are involved, alongside other genes. However, the degree and type of response changed little from 3 to 5 °C in the time frame examined, suggesting that even moderate rises in temperature could cause stress at the limits of this organism’s capacity. Given the importance of sponges to Antarctic ecosystems, our findings are vital for discerning the consequences of short-term increases in Antarctic ocean temperature on these and other species.

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“…Thermal stress in particular can decrease efficacy of defense mechanisms, leading to increased mortality due to pathogens and diseases. In addition, ocean warming can lead to species invasion, shifts in species' latitudinal ranges, and bleaching (Carballo and Bell, 2017).…”

Section: Introductionmentioning

confidence: 99%

Characterization of Prodiginine Pathway in Marine Sponge-Associated Pseudoalteromonas sp. PPB1 in Hilo, Hawai‘i

Sakai-Kawada

Hagiwara

et al. 2020

Front. Sustain. Food Syst.

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Interest in bioactive pigments stems from their ecological role in adaptation, as well as their applications in various consumer products. The production of these bioactive pigments can be from a variety of biological sources, including simple microorganisms that may or may not be associated with a host. This study is particularly interested in the marine sponges, which have been known to harbor microorganisms that produce secondary metabolites like bioactive pigments. In this study, marine sponge tissue samples were collected from Puhi Bay off the Eastern shore of Hilo, Hawai‘i and subsequently were identified as Petrosia sp. with red pigmentation. Using surface sterilization and aseptic plating of sponge tissue samples, sponge-associated microorganisms were isolated. One isolate (PPB1) produced a colony with red pigmentation like that of Petrosia sp., suggesting an integral relationship between this particular isolate and the sponge of interest. 16S characterization and sequencing of PPB1 revealed that it belonged to the Pseudoalteromonas genus. Using various biological assays, both antimicrobial and antioxidant bioactivity was shown in Pseudoalteromonas sp. PPB1 crude extract. To further investigate the genetics of pigment production, a draft genome of PPB1 was sequenced, assembled, and annotated. This revealed a prodiginine biosynthetic pathway and the first cited-incidence of a prodiginine-producing Pseudoalteromonas species isolated from a marine sponge host. Further understanding into the bioactivity and biosynthesis of secondary metabolites like pigmented prodiginine may uncover the complex ecological interactions between host sponge and microorganism.

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Climate Change and Sponges: An Introduction

Cited by 16 publications

References 77 publications

Diversity and shifts of the bacterial community associated with Baikal sponge mass mortalities

Diversity and shifts of the bacterial community associated with Baikal sponge mass mortalities

Warm temperatures, cool sponges: the effect of increased temperatures on the Antarctic spongeIsodictyasp.

Characterization of Prodiginine Pathway in Marine Sponge-Associated Pseudoalteromonas sp. PPB1 in Hilo, Hawai‘i

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