Sporopollenin is a biological polymer found as a major component of the tough outer (exine) walls of plant spores and pollen grains. It is chemically...
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Phenylpropanoid (section Sporopollenin)
Phenylpropanoids and other phenolics are part of the chemical composition of sporopollenin. It is related to cutin and suberin. This ill-defined substance found...
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male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametophytes during the process of their movement...
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and 2,300 species. Many Aroideae have spiny pollen grains without a sporopollenin outer exine layer and lacking an aperture. It includes: Aglaodorum Schott...
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entirely of conchiolin. Chitin Corneous Mollusc shell Periostracum Sporopollenin Tectin STRUCTURE OF THE CONCHIOLIN CASES OF THE PRISMS IN MYTILUS EDULIS...
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structural support for a plant and is a major constituent of wood. Sporopollenin is a chemically resistant polymer found in the outer cell walls of spores...
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the ripe mitospores. The walls of these spores contain sporopollenin in some species. Sporopollenin is formed out of β-carotene and is very resistant to...
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to use as feedstock for manufacturing processes. Chitobiose Lorica Sporopollenin Tectin Nelson, D.L., Cox, M.M. (2017). Lehninger Principles of Biochemistry...
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Ubisch bodies, con-peito grains) are small acellular structures of sporopollenin that might occur on the inner tangential and radial walls of tapetal...
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funoran. Other compounds that may accumulate in algal cell walls include sporopollenin and calcium ions. The group of algae known as the diatoms synthesize...
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of sterile gametophytic cells. Another similarity is the presence of sporopollenin in the inner wall of the zygote. In at least one species, it receives...
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subgenus Quercus, the small folds or wrinkles (rugulae) are obscured by sporopollenin, whereas in subgenus Cerris, the rugulae are visible or at most weakly...
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"Detoxification of Chlordecone Poisoned Rats with Chlorella and Chlorella Derived Sporopollenin". Drug and Chemical Toxicology. 7 (1): 57–71. doi:10.3109/01480548409014173...
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"Colchicine inhibits plasmodium formation and disrupts pathways of sporopollenin secretion in the anther tapetum ofTradescantia virginiana L". Protoplasma...
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have this spore wall morphology. (Some) cryptospores are composed of sporopollenin and have the same chemical makeup as co-occurring trilete spores. Recently...
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cell wall has two layers: a fibrous inner layer and an outer layer of sporopollenin which is often granulated. See the NCBI webpage on Pseudodidymocystis...
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obscured, whereas in subgenus Quercus, the rugulae are obscured by sporopollenin. The two subgenera are also distinguished to some extent by their different...
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may be composed of organic material such as chitin, pseudochitin and sporopollenin. Palynomorphs form a geological record of importance in determining...
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also thought to be involved in tectin secretion. Chitin Conchiolin Sporopollenin Hyman, Libbie Henrietta (1940). The invertebrates: Protozoa through...
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prefixes. Phytic eras are defined by palynomorphs (organisms made out of sporopollenin) which include pollen, spores, and acritarcs in the rock record. The...
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nodes. These walls are difficult to break down due to the presence of sporopollenin and silica, which the algae uses to defend itself against infection...
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form of spores known as cryptospores. These spores have walls made of sporopollenin, an extremely decay-resistant material that means they are well-preserved...
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dinoflagellate cysts, and fungal remains. Pollen has an outer sheath, called a sporopollenin, which affords it some resistance to the rigours of the fossilisation...
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chemical decay. Such tissues include wood (lignin), spores and pollen (sporopollenin), the cuticles of plants (cutan) and animals, the cell walls of algae...
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nanometers. They are perpendicular to the plasma membrane. Below is the sporopollenin. The germinal openings (apertures) are more proximal than distal. At...
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process of zygote formation, as significant factors for the production of sporopollenin, a structural component of the zygospore cell wall. It is consequential...
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C.F.; Graham, L.E.; Thomson, N. (1989), "Lignin-Like Compounds and Sporopollenin Coleochaete, an Algal Model for Land Plant Ancestry", Science, 245 (4916):...
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net of thraustochytrids has been shown the ability to penetrate the sporopollenin of pine pollen, which comprises a plymer that is highly resistant to...
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only produces autospores and not zoospores, and has a rough outer sporopollenin layer. Guiry, M.D.; Guiry, G.M. (2007). "Genus: Chlorotetraëdron taxonomy...
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is closely related, and similar to, the genus Chlorella. Both lack sporopollenin in their cell walls, and have pyrenoids that are transversed by thylakoid...
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