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  Encyclopedia of Keywords > Society > Humans > Health > Mold > Spores   Michael Charnine

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    This Review contains major "Spores"- related terms, short phrases and links grouped together in the form of Encyclopedia article.


  1. Spores are usually haploid and unicellular and are produced by meiosis in the sporangium by the sporophyte. (Web site)
  2. Spores are reproductive structures and can be sexual or asexual (conidia).
  3. Spores are produced by bacteria, algae, protozoa, fungi, and some plants.
  4. Spores are produced in large numbers on specialized structures in or on the fruiting body. (Web site)
  5. Spores are always HAPLOID. They can be formed either SEXUALLY or ASEXUALLY.

Life Cycle

  1. Protists are not fungi because fungi develop from spores and lack flagella at any stage of their life cycle." (p.


  1. In some Basidiomycota the spores are not ballistic, and the sterigmata may be straight, reduced to stubbs, or absent.
  2. Like gills, these pores are lined with basidia that produce basidiospores, the sexual spores of the Basidiomycota. (Web site)
  3. Sexual reproduction in the Basidiomycota produces a structure with the familiar mushroom shape and results in haploid spores called basidia.

Releasing Spores

  1. Molds (and mildew, a type of mold) are fungi, which reproduce by releasing spores. (Web site)
  2. Fungi reproduce by releasing spores that are produced either sexually or asexually.
  3. During this stage, the slime mold completes its life cycle by releasing spores from the fruiting body, which are dispersed by wind to new locations.


  1. The life cycle of this genus allows it to reproduce both sexually, with meiosis, and asexually via spores.
  2. They may produce sexually or asexually by means of spores that are roughly comparable with the seeds of higher plants. (Web site)
  3. Ascomycete Any of various fungi belonging to the phylum Ascomycota, characterized by the presence of sexually produced spores formed within an ascus.


  1. However, mitotic sporogenesis is an exception and most spores, such as those of plants and most fungi and algae, are produced by meiosis.
  2. Fungi, algae, seedless plants, and certain protozoans reproduce asexually by spores. (Web site)
  3. However, mitotic sporogenesis is an exception and most spores, such as those of plants, most Basidiomycota, and many algae, are produced by meiosis. (Web site)


  1. The zoospores germinate to make more hyphae, which make more spores, and so on. (Web site)
  2. Chytridiomycota (chytrids) is the only phylum of true Fungi that reproduces with motile spores (zoospores). (Web site)
  3. Many soil borne spores, normally zoospores and capable of living saprotrophically, carrying out the first part of their lifecycle in the soil. (Web site)


  1. Aeciospores: spores produced by a aecium in some fungi such as rusts Rust (fungus) Rusts are fungi of the order Uredinales.

Reproductive Structures

  1. Parasitic diseases are spread by dissemination of the agent itself (bacteria and viruses) or of the reproductive structures (the spores of fungi). (Web site)
  2. The major groups of fungi are mainly classified based on their reproductive structures, such as the types of spores they produce.
  3. This ejection ensures exit of the spores from the reproductive structures as well as travelling through the air over long distances.


  1. However, the cells produced after meiosis are spores, and these do not develop directly into gametes. (Web site)
  2. In animals, meiosis always results in the formation of gametes, while in other organisms it can give rise to spores. (Web site)
  3. Meiosis results in the formation of either gametes (in animals) or spores (in plants).


  1. Asexual mitospores (spores formed by mitosis) within the sporangia are released when mature.
  2. Many unicellular plants and animals reproduce both by the formation of spores and by simple cell division (mitosis). (Web site)
  3. The spores proliferate by mitosis, growing into a haploid organism. (Web site)


  1. Three types of mold in particular produce spores and toxins, called "mycotoxins", that are especially dangerous to human health.
  2. Molds produce irritants that can provoke coughing, and some make spores that contain toxins, which further irritate airways. (Web site)
  3. When the organism is producing toxins, the toxins are known to be present in the cell wall of spores and hyphae. (Web site)

Chartarum Spores

  1. S. chartarum spores were extracted in methanol to reduce the mycotoxin content of the spores.
  2. In this study we examined the role of mycotoxins in the pulmonary effects caused by S. chartarum spores and the dose dependency of these effects.
  3. Penicillium and Aspergillus spores are readily airborne, whereas S. chartarum spores require mechanical disturbance.

Sexual Reproduction

  1. Other forms of reproduction The alternatives to sexual reproduction are parthenogenesis and asexual reproduction by means of spores.
  2. Spores - Means of sexual reproduction for mushrooms and many other fungi.
  3. Spores are agents of nonsexual reproduction; gametes are agents of sexual reproduction. (Web site)


  1. Ascomycota are fungi that bear their spores in an ascus.
  2. Ascomycota is a phylum whose members are commonly known as Sac Fung because their spores are usually in a sac (ascus). (Web site)
  3. Sac Fungi (Ascomycota) Ascomycota produce their spores in special pods or sac-like structures called asci.


  1. The interior chamber of the peridiole contains a hymenium that is made of basidia, sterile (non-reproductive) structures, and spores.
  2. Spores are lined next to one another on the several neighboring basidia that form the Hymenium on the mushroom gill. (Web site)
  3. Gasteromycetes-- the hymenium is exposed after the spores mature.


  1. Subclass: Hymenomycetes Produce spores on exposed surfaces -- releasing the spores gradually through structures such as pores or gills. (Web site)
  2. Their spores, called basidiospores, are produced on the gills and fall in a fine rain of powder from under the caps as a result.
  3. Attributes listed are dimensions, cap, gills, spores, stem, odour, taste, chemical tests and occurrence.

Microscopic Spores

  1. Inside each ascus are microscopic spores lined up like small eggs, approximately eight spores per ascus. (Web site)
  2. In early spring the fungus produces two types of microscopic spores called conidia and ascospores.
  3. Ascomycetes - Notes on this varied group which produce microscopic spores inside special, elongated cells or sacs, known as "asci".


  1. Mosses, ferns, and their relatives are plants that do not produce flowers but reproduce by means of SPORES. Most live in shady or damp habitats. (Web site)
  2. On ferns, the mature plant is a sporophyte that develops sporangia, tiny, stalked sacs which contain spores.
  3. They reproduce by both sexual and asexual means, and like some basal plant groups, such as ferns and mosses produce spores. (Web site)


  1. Fungi are applied directly in form of spores, mycelia or blastospores or by their metabolites (mycotoxins).
  2. When produced, mycotoxins are found in all parts of the fungal colony, including the hyphae, mycelia, spores, and the substrate on which the colony grows.
  3. This constitutes the surface fungi group and causes discoloration of wood surfaces due to presence of spores, hyphae and mycelia (thread-like structures).


  1. Label using these terms: Cap, gills, stalk, hyphae, mycelium, spores, and ring.
  2. Microscopic examination showed that these samples consisted entirely of P. roqueforti spores with no visible fragments of mycelium or spores of other fungi. (Web site)
  3. Eventually, when season and weather allow, mushrooms are produced above the mycelium and release spores.

Stachybotrys Spores

  1. Stachybotrys spores were also found in the air of the bedroom, and the source of the spores tested highly toxigenic. (Web site)
  2. Some spores release potent toxins, known as mycotoxins; for example, Stachybotrys spores can cause very severe symptoms and lung lesions in children.
  3. Children's exposure to Stachybotrys spores are thought most likely to cause pulmonary hemosiderosis (bleeding in the lungs).


  1. The spores, which are like little seeds, are found in dust and are inhaled into the lungs. (Web site)
  2. Filamentous microfungi (mold) can threaten human health through release of spores that become airborne and can be inhaled. (Web site)
  3. Exposure to mold can occur when airborne mold cells, mostly spores, are inhaled.


  1. Any of a class (Ascomycetes) or subdivision (Ascomycotina) of higher fungi (as yeasts or molds) with septate hyphae and spores formed in asci.
  2. In Ascomycetes, spores are produced internally, inside a sac called an ascus. (Web site)
  3. The mushrooms in the Ascomycetes have spores that are produced in specialized holding cells called asci. (Web site)


  1. Most basidiomycetes have four spores per basidia but this species has mostly only two spores per basidia. (Web site)
  2. Basidiomycetes - A group of fungi characterized by the production of sexual spores on a club-shaped filament called the basidium.
  3. In the Basidiomycetes, usually four spores develop on the tips of thin projections called sterigmata, which extend from a club-shaped cell called a basidium.


  1. Puffball The distinguishing feature of puffballs is that the basidiocarp opens only after the spores have been released from the basidia.
  2. Picking mushrooms, puffballs, stinkhorns, or other reproductive structures soon after they appear may prevent their spores from spreading to new sites. (Web site)
  3. All stinkhorns arise from an egg-like sack and are therefore related to puffballs and earthstars because the spores are enclosed in a structure. (Web site)


  1. Zygomycetes have thick-walled resting sexual spores called zygospores, their asexual spores are produced in a sporangium and called sporangiospores. (Web site)
  2. Zygospores: spores produced by a zygosporangium, characteristic of zygomycetes. (Web site)
  3. Stolons (asexual); spores (asexual); zygospores (sexual). (Web site)


  1. The life cycle of this fungus allows it to reproduce both sexually, with meiosis, and asexually via spores.
  2. The fungi reproduce both sexually and asexually via the production of spores. (Web site)
  3. Most fungi reproduce by spores, which roughly correspond to the seeds of higher plants, and which are formed both sexually and asexually. (Web site)


  1. Prescott) (asexual spores formed by Basidiomycetes) Blastospores (Spores produced from a vegetative mother cell by budding. (Web site)
  2. Sporangiospores are distinguished from other types of asexual spores, such as conidia of the Ascomycota and Basidiomycota, by their development. (Web site)
  3. Asexual spores include chlamydoconidia, conidia and sporangiospores contained in sporangia borne on simple or branched sporangiophores. (Web site)


  1. Furthermore, they reproduce asexually by spores (especially sporangiospores or conidia), and develop only very small sexual propagation organs, if any. (Web site)
  2. Spores (sporangiospores) produced inside spherical sporangia at the tips of the sporangiophores, brownish. (Web site)
  3. Sporangiospores: spores produced by a sporangium Sporangium A sporangium is a plant, fungal, or algal structure producing and containing spores. (Web site)

Airborne Spores

  1. Aspergillosis is primarily an infection of the lungs caused by the inhalation of airborne spores of the fungus Aspergillus. (Web site)
  2. Mycotoxins tend to concentrate in fungal spores, and thus present a potential hazard to those who inhale these airborne spores. (Web site)
  3. Together with colleagues at Harvard, Roper studied the airborne spores of more than 100 species of ascomycetes, the largest phylum of fungi. (Web site)


  1. Human exposure may occur through ingestion of contaminated grains and possibly through the inhalation of spores.
  2. The spores from these molds are transmitted by inhalation, via a variety of percutaneous routes, or by ingestion of spores.
  3. Inhalation, ingestion or skin contamination of these endospores, which were technically incorrectly labelled as "spores", led to a number of deaths.

Fruiting Body

  1. How mushrooms spread spores - An ascocarp, or ascoma (plural: ascomata), is the fruiting body of an ascomycete fungus.
  2. The key features of a fungal body are the mycelium (made up of hyphae), the fruiting body and the spores.
  3. The fruiting body consists of spores, which are inactive cells encased in a resistant cell wall, and supporting structures, mostly in the form of a stalk.

Fruiting Bodies

  1. Based upon the type of spores in these fruiting bodies, fungi are placed into different classes such as the Ascomycetes and Basidiomycetes.
  2. Usually the most conspicuous part of a fungus are fruiting bodies - the reproductive structures that produce spores.
  3. The genera and species are differentiated on the basis of what kind of fruiting bodies they produce and where they bear their spores on the fruiting body.

Asexual Reproduction

  1. Sexual and asexual reproduction of the fungi is commonly via spores, often produced on specialized structures (mushrooms).
  2. Several types of asexual reproduction are binary fission, which occurs in bacteria, budding, which occurs in coral, and spores, which some plants produce. (Web site)
  3. Asexual reproduction by the production of conidiospores (spores that bud from the tip of the hypha).

Haploid Spores

  1. Subsequently, the zygospore germinates and forms a sporangiophore whose sporangium contains both + and - haploid spores. (Web site)
  2. This process occurs in a sporangium, a capsule in fungi and plants in which meiosis takes place and haploid spores develop. (Web site)
  3. Haploid spores produced by mitosis (known as mitospore s) are used by many fungi for asexual reproduction. (Web site)


  1. Ascocarp: the fruiting body of an ascomycete; the multicellular structure that produces asci, and acts as the platform from which the spores are launched.
  2. Ascomycetes is a large group of fungi, so called from their spores being contained in asci or sacs.
  3. Fungi in this group make their spores in sacs called asci (singular form is ascus).

Sexual Spores

  1. The sexual spores are basidiospores (Basidiomycota), ascospores (Ascomycota), zygospores (Zygomycota) and chytridiospores (Chytridiomycota). (Web site)
  2. Basidiomycota: A phylum of fungi that produce their sexual spores (basidiospores) on the outside of the basidium.
  3. Ascomycetes Constitutes the largest class of fungi characterized by the production of sexual spores in structures called asci.


  1. Ascospore s: spores produced by an ascus, characteristic of ascomycete s. (Web site)
  2. In the ascus, meiosis and usually also a mitotic division take place, resulting in spores called ascospore s. (Web site)
  3. Ascospore is a general classification for spores produced by sexual reproduction and can include Aspergillus, Penicillium, and Ascotrica.


  1. A subdivision of fungi characterized by the formation of sexually derived spores (ascospores) in asci.
  2. Their sexual spores (ascospores) develop within tubular sacs called asci that act as small water cannons and expel the spores into the air. (Web site)
  3. Ascospores are a general category of spores that have been produced by means of sexual reproduction (in a sack-like structure called an ascus). (Web site)


  1. Basidiospore s: spores produced by a basidium, characteristic of basidiomycete s. (Web site)
  2. Their spores, called basidiospore s, are produced on the gills and fall in a fine rain of powder from under the caps as a result. (Web site)
  3. Basidiospore (Buh-cyd-ee-oh-spore) are a general category of sexual spores that have been released from the basidium of a fungus.


  1. There are four types of spores, which in turn identify the four principal groups of fungi: oospores, zygospores, ascospores, and basidiospores. (Web site)
  2. Ascospores are spores (usually eight) that are contained in sacs (asci), and basidiospores (usually four) are contained in clublike structures (basidia).
  3. Most basidiospores are also ballistospores, and another notable example is spores of Pilobolus. (Web site)

Asexual Spores

  1. Ascomycetes (Phylum Ascomycota) Ascomycetes produce two kinds of spores: asexual spores called conidia ascospores produced following sexual reproduction.
  2. Asexual spores are formed within sporangia, which break to release the spores when mature.
  3. Zygomycetes A class of fungi where the asexual spores are mostly formed endogenously in sporangia.


  1. Sporangiospores: spores produced by a sporangium in many fungi such as zygomycetes. (Web site)
  2. Sporangiospores are spores that are formed in a sac-like structure it contains a lot of them in it and the sac itself is called a sporangium.
  3. In fungi, a sporangium is produced at the end of a sporangiophore that sheds spores. (Web site)


  1. Most mycotoxins are attached to spores so that spores must be airborne for exposure to the mycotoxin to occur.
  2. Stachybotrys can produce toxic chemicals called mycotoxins that are present on spores and small fragments of the fungus released into the air. (Web site)
  3. Mycotoxins are chemicals produced by fungi that are most concentrated in the spores but are also present in actively growing mold filaments.

Fungal Spores

  1. The air is so loaded with fungal spores, that the minute a plant or an animal dies, it is covered with spores. (Web site)
  2. Fungal spores also cause allergies; however, unlike seasonal pollen production, some fungi can produce spores all year long. (Web site)
  3. Fungal spores are important in the identification of the fungus, since the spores are unique in shape, color, and size. (Web site)


  1. Members of the Basidiomycota, commonly known as the club fungi or basidiomycetes, produce spores called basidiospores on club-like stalks called basidia.
  2. Fungi that bear their spores on basidia are known as basidiomycetes, and are placed in the phylum Basidiomycota. (Web site)
  3. Inside the mushroom cap of Basidiomycota, special cells called basidia make spores, called basidiospores.


  1. Society > Humans > Health > Mold
  2. Nature > Life > Organisms > Fungi
  3. Life > Organisms > Fungi > Fungus
  4. Mushrooms
  5. Science > Biology > Botany > Plants

Related Keywords

    * Air * Airborne * Ascus * Basidium * Cells * Conidia * Dispersal * Dry * Dust * Environment * Form * Fungi * Fungus * Growing * Hyphae * Insects * Large * Lung * Lungs * Masses * Mature * Meiosis * Mold * Molds * Mold Spores * Mushroom * Mushrooms * Plant * Plants * Resistant * Sclerotia * Seeds * Species * Sporangia * Structure * Structures * Toxic * Types * Walls * Wet * Wind
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  Originally created: April 04, 2011.
  Links checked: January 09, 2013.
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