Symbiodiniaceae Symbiosis
Symbiodiniaceae Symbiosis - Related Videos
00:58
Symbiosis
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2026
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
11:28
Layers of Symbiosis - Visualizing the Termite Hindgut Microbial Community
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Cited by 1 •
2007
Jared Leadbetter takes us for a nature walk through the diversity of life resident in the termite hindgut - a microenvironment containing 250 different species found nowhere else on Earth. Jared reveals that the symbiosis exhibited by this system is multi-layered and involves not only a relationship between the termite and its gut inhabitants, but also involves a complex web of symbiosis among the gut microbes themselves.
07:43
Production of Arbuscular Mycorrhizal (AM) Fungal Inoculum and Phenotypic Evaluation of Rice and AM Symbiosis Under Saline Conditions
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2025
This article describes a protocol for generating arbuscular mycorrhizal (AM) fungi inoculum to investigate AM-enhanced salt stress tolerance in rice.
07:13
CRISPR-Cas9-based Mutagenesis in the Entomopathogenic Nematode Steinernema hermaphroditum and the Maintenance of Mutant Lines
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2025
This article demonstrates CRISPR-Cas9-mediated genome engineering in Steinernema hermaphroditum, an entomopathogenic (EPN: insect-parasitic) nematode and an emerging genetic model. The described technology is useful for creating mutants, allowing for the elucidation of gene functions in nematode biology that are relevant to mutualistic and parasitic symbiosis.
21:02
Investigating the Microbial Community in the Termite Hindgut - Interview
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2007
Jared Leadbetter explains why the termite-gut microbial community is an excellent system for studying the complex interactions between microbes. The symbiotic relationship existing between the host insect and lignocellulose-degrading gut microbes is explained, as well as the industrial uses of these microbes for degrading plant biomass and generating biofuels.
FAQs
The partnership depends on a reciprocal exchange rather than carbon transfer alone. Algal photosynthesis supplies organic carbon that can support host growth, while the animal host provides nutrients, shelter, and access to light. This division of resources helps maintain the association within host tissues and links the symbiosis to coral physiology and overall reef productivity.
Photosynthesis converts light energy into organic carbon, creating a usable energy resource within the association. When that carbon is transferred to the host, it can support growth and contribute to the productivity of reef-building corals. The importance of this process also means that changes affecting the algal partnership can influence host physiology.
Environmental stress can disrupt the normally functioning association, with elevated temperature identified as an important example. When the partnership is disrupted, corals may bleach, indicating a breakdown in the association between the host and its algal partners. Studying this response helps connect environmental conditions with coral resilience and vulnerability.
By linking algal photosynthesis with host nutrition and metabolism, the association affects how resources move through coral systems. These effects extend beyond individual hosts: Symbiodiniaceae symbiosis influences nutrient cycling, reef productivity, and the distribution of reef organisms. Consequently, changes in the partnership may have ecological effects across the broader reef community.
In coral biology, the association provides a framework for examining host physiology, algal photosynthesis, nutrient exchange, and responses to environmental stress. Researchers can use these biological relationships to interpret how coral growth and reef productivity depend on the partnership. The same framework supports investigations of bleaching, resilience, climate change, and conservation.
Its sensitivity to environmental stress makes the partnership a useful focus for understanding coral vulnerability under changing conditions. Elevated temperature can disrupt the association and contribute to bleaching, while variation in resilience can help explain differences among corals and reefs. These insights are relevant to evaluating climate-change impacts and informing reef-conservation research.