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Green Algae01:21

Green Algae

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Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
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The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
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Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
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The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
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Fungal Phylum Microsporidia01:28

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Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
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Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
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Discovery of New Intracellular Pathogens by Amoebal Coculture and Amoebal Enrichment Approaches
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[THE MICROSCOPIC ALGAE AS HUMAN PATHOGENS].

Manuel Casal Roman

    Anales De La Real Academia Nacional De Medicina
    |July 9, 2016
    PubMed
    Summary
    This summary is machine-generated.

    Microscopic algae cause emerging infectious diseases, particularly in immunocompromised individuals. Early diagnosis and awareness are crucial due to frequent treatment failures and increasing immunosuppression.

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    Area of Science:

    • Medical Mycology
    • Infectious Diseases
    • Microbiology

    Background:

    • Microscopic algae are emerging pathogens causing human infections.
    • These infections affect skin, bone, and can disseminate, posing severe risks to immunocompromised patients.
    • Distinguishing algal infections from yeast-like fungi is critical for accurate diagnosis.

    Purpose of the Study:

    • To highlight the significance of microscopic algal infections.
    • To emphasize the diagnostic challenges and treatment limitations.
    • To underscore the need for physician awareness of these emerging diseases.

    Main Methods:

    • Review of clinical cases and microbiological data.
    • Differential diagnosis considerations with fungal pathogens.
    • Analysis of treatment outcomes with antifungal drugs and surgery.

    Main Results:

    • Microscopic algae infections present diagnostic challenges, often confused with fungi.
    • Treatment with antifungal drugs and surgery shows frequent failure rates.
    • Immunocompromised patients experience more severe disease manifestations.

    Conclusions:

    • Physician awareness of algal infections is essential due to rising immunosuppression.
    • Advancements in microbiological diagnostics may improve identification.
    • These emerging diseases necessitate increased clinical vigilance and understanding.