Evidence for the involvement of surface carbohydrates in the recognition of Haematococcus pluvialis by the parasitic blastoclad Paraphysoderma sedebokerensis

Gutman, Jenia; Zarka, Aliza; Boussiba, Sammy

doi:10.1016/j.funbio.2011.06.006

Cited by 32 publications

(36 citation statements)

References 42 publications

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“…The infection process can be somewhat inhibited in the presence of lectin-like carbohydrate-binding proteins, which were assumed to bind to the surface of palamelloids and aplanospores of Haematococcus (Gutman et al 2011). The recognition between the blastoclad parasite and Haematococcus cells was suggested to be a lectin-N-acetyl-D-glucosamine interaction.…”

Section: Acknowledgementmentioning

confidence: 99%

Astaxanthin in microalgae: pathways, functions and biotechnological implications

Han¹,

Li²,

Hu³

2013

ALGAE

178

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Major progress has been made in the past decade towards understanding of the biosynthesis of red carotenoid astaxanthin and its roles in stress response while exploiting microalgae-based astaxanthin as a potent antioxidant for human health and as a coloring agent for aquaculture applications. In this review, astaxanthin-producing green microalgae are briefly summarized with Haematococcus pluvialis and Chlorella zofingiensis recognized to be the most popular astaxanthin-producers. Two distinct pathways for astaxanthin synthesis along with associated cellular, physiological, and biochemical changes are elucidated using H. pluvialis and C. zofingiensis as the model systems. Interactions between astaxanthin biosynthesis and photosynthesis, fatty acid biosynthesis and enzymatic defense systems are described in the context of multiple lines of defense mechanisms working in concert against photooxidative stress. Major pros and cons of mass cultivation of H. pluvialis and C. zofingiensis in phototrophic, heterotrophic, and mixotrophic culture modes are analyzed. Recent progress in genetic engineering of plants and microalgae for astaxanthin production is presented. Future advancement in microalgal astaxanthin research will depend largely on genome sequencing of H. pluvialis and C. zofingiensis and genetic toolbox development. Continuous effort along the heterotrophic-phototrophic culture mode could lead to major expansion of the microalgal astaxanthin industry.

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Section: Acknowledgementmentioning

confidence: 99%

Astaxanthin in microalgae: pathways, functions and biotechnological implications

Han¹,

Li²,

Hu³

2013

ALGAE

178

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“…The labeling results indicated the presence of N-acetyl-D-glucosamine on cell walls and in the basal part of the rhizoidal system. In a previous study (Gutman et al 2011), the blastoclad Paraphysoderma sedebokerensis was labeled with FITC-WGA in the cysts, but not in typical amoeboid zoospores. Gutman et al (2011) suggest lectin-sugar interactions mediate the highly specific interaction between the blastocladian parasite and the algal host.…”

Section: Resultsmentioning

confidence: 81%

“…In a previous study (Gutman et al 2011), the blastoclad Paraphysoderma sedebokerensis was labeled with FITC-WGA in the cysts, but not in typical amoeboid zoospores. Gutman et al (2011) suggest lectin-sugar interactions mediate the highly specific interaction between the blastocladian parasite and the algal host. It is still unknown whether the lectin pattern observed plays a role in host-fungus interactions.…”

Section: Resultsmentioning

confidence: 81%

mentioning

confidence: 99%

“…Recently, a lectin binding assay was reported for algae-fungi interactions, particularly those involving Paraphysoderma sedebokerensis, a parasitic blastoclad (non-core chytrids) that is specific to the green microalga Haematococcus pluvialis (Gutman et al 2011). They proposed that a Ricinus communis agglutinin (RCA 120 )-like lectin-sugar interaction mediates the highly specific interaction between the blastocladian parasite and its host (Gutman et al 2011). Other studies of lectin binding with respect to cell-cell interactions have been reported in various taxa such as marine biofilms (Wigglesworth-Cooksey and Cooksey 2005), algae (Tien et al 2005), and Tricomonas, the causal agent of bovine tritricomonas (Doumecq et al 2014).…”

mentioning

confidence: 99%

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Life Cycle and Lectin-Binding Patterns in the Chytrid Fungus <i>Chytriomyces hyalinus</i>

Ota

Kawano

2015

CYTOLOGIA

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Summary Chytrids are an early diverging group of fungi possessing a flagellated spore stage in their life cycle. Chytrid infections in amphibian species and algae are currently a major problem worldwide. Lectin binding patterns are key factors involved in host-parasite interactions. However, there are no analyses of the lectin binding pattern for core chytrids (e.g., species belonging to Chytridiales). Here we present time-lapse observations of the early development of the vegetative stage and lectin binding patterns to examine sugar composition during the asexual life cycle of the core chytrid Chytriomyces hyalinus ATCC 28165. The lectin binding assay showed that the signal of wheat germ agglutinin was detected in the chytrid cell wall and basal part of the rhizoidal system, but not in the zoospore and rhizoid system. This result indicated that N-acetyl-D-glucosamine was accumulated highly at the basal part of the rhizoid system in C. hyalinus.

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Biology and Commercial Aspects ofHaematococcus pluvialis

Han

2013

Handbook of Microalgal Culture

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Evidence for the involvement of surface carbohydrates in the recognition of Haematococcus pluvialis by the parasitic blastoclad Paraphysoderma sedebokerensis

Cited by 32 publications

References 42 publications

Astaxanthin in microalgae: pathways, functions and biotechnological implications

Astaxanthin in microalgae: pathways, functions and biotechnological implications

Life Cycle and Lectin-Binding Patterns in the Chytrid Fungus <i>Chytriomyces hyalinus</i>

Biology and Commercial Aspects ofHaematococcus pluvialis

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