What's the difference between algae and lichen?

Algae


Definition:

  • (pl. ) of Alga

Example Sentences:

  • (1) An an initial stage in the study of proteins from thermophilic algae, the enzyme ribulose 1,5-bisphosphate carboxylase 2-phospho-D-glycerate carboxylyase (dimerizing, EC 4.1.1.39) was purified 11-fold from the thermophilic alga Cyandium caldarium, with a 24% recovery.
  • (2) The structures of 1 and 2 are closely related to the metabolites previously isolated from the alga Caulerpa prolifera.
  • (3) We have used two monoclonal antibodies to demonstrate the presence and localization of actin in interphase and mitotic vegetative cells of the green alga Chlamydomonas reinhardtii.
  • (4) Many other innovations are also being hailed as the future of food, from fake chicken to 3D printing and from algae to lab-grown meat.
  • (5) Dunaliella bardawil, a unicellular green alga that can be induced to accumulate massive amounts of beta-carotene, is particularly suitable for studies of carotenogenesis regulation and its links to developmental and adaptive processes in the chloroplast.
  • (6) Among the algae species studied, Falkenbergia rufolanosa is the most active in front of all the fungi tested.
  • (7) But the study’s co-author Mark Hay, a professor from the Georgia Institute of Technology, said the discovery here was that greater carbon concentrations led to “some algae producing more potent chemicals that suppress or kill corals more rapidly”, in some cases in just weeks.
  • (8) The light-induced turnover of P700 was measured spectrophotometrically in a wide variety of algae and some photosynthetic mutants.
  • (9) In excised regenerating peduncles algae divide before digestive cells, and at the onset of digestive cell division mitotic cells were found to contain almost twice the number of algae as before excision.
  • (10) Cell division in Euglena is compared with that of certain other algae.
  • (11) An enzyme was isolated from a eucaryotic, Chlorella-like green alga infected with the virus PBCV-1 which exhibits type II restriction endonuclease activity.
  • (12) The amoeba, however, could not use yeasts, molds, or a green alga as a nutritional source.
  • (13) The photochemical activities and fluorescence properties of cells, spheroplasts and spheroplast particles from the blue-green alga Phormidium luridum were compared.
  • (14) Free amino acid pools were examined for cultures of vegetative cells, gametes, and mature zygotes of the unicellular green alga Chlamydomonas reinhardtii (Dangeard).
  • (15) Crude ferredoxin preparations were obtained from blue-green algae, green algae, ferns, and higher plants.
  • (16) These organisms, typically bacteria or algae, are used to produce valuable commodities such as flavorings and oils.
  • (17) A pure culture of the green eukaryotic alga Chlorococcum sp.
  • (18) The alga may be defective in a regulatory mechanism that controls the reoxidation of reduced pyridine nucleotides formed during photosynthesis.
  • (19) Methods are described for preparation of pulse-labeled ribonucleic acid (RNA) from the blue-green alga Anacystis nidulans.
  • (20) Methyl-5(or 4)-(3,3-dimethyl-1-triazeno)-imidazole-4(or 5)-carboxylate was shown to have in vitro antimicrobial activity against gram-positive and gram-negative bacteria, yeasts, filamentous fungi, and algae.

Lichen


Definition:

  • (n.) One of a class of cellular, flowerless plants, (technically called Lichenes), having no distinction of leaf and stem, usually of scaly, expanded, frond-like forms, but sometimes erect or pendulous and variously branched. They derive their nourishment from the air, and generate by means of spores. The species are very widely distributed, and form irregular spots or patches, usually of a greenish or yellowish color, upon rocks, trees, and various bodies, to which they adhere with great tenacity. They are often improperly called rock moss or tree moss.
  • (n.) A name given to several varieties of skin disease, esp. to one characterized by the eruption of small, conical or flat, reddish pimples, which, if unchecked, tend to spread and produce great and even fatal exhaustion.

Example Sentences:

  • (1) The vulvar white keratotic lesions which have been subjected to histological examination in Himeji National Hospital (1973-1987) included 13 cases in benign dermatoses, 4 cases in vulvar epithelial hyperplasia, 3 cases in lichen sclerosus, and 3 cases in lichen sclerosus with foci of epithelial hyperplasia.
  • (2) The counts of EAC-receptor carrying neutrophils were two times lower in the patients with erosive ulcerative lichen planus as against those with the typical form of the disease.
  • (3) The abundance of adhesion molecules on leukocytes and keratinocytes in oral lichen planus is indicative of a special state of activation.
  • (4) The cases were all consecutive patients with a new diagnosis of lichen planus, and the controls were patients under dermatological care observed under the same conditions.
  • (5) The purpose of this investigation was to specifically identify T cells, B cells, and histiocytes in the infiltrate typically seen in lichen planus.
  • (6) In an ultrastructural study of oral lesions in lichen planus, it was found that some plasma cells have an associated lamina densa.
  • (7) Oral lichen planus is a chronic inflammatory disease of adult onset.
  • (8) Eighteen lichens from a variety of habitats were treated with 4-chlorobiphenyl (4-CB).
  • (9) In lichen planus, the cells appeared more dendritic and equal numbers of CD1, HLADR, HLADP and HLADQ positive cells were found, with significantly more HLADP (P less than 0.01) and HLADQ (P less than 0.05) positive cells than in normal mucosa.
  • (10) In a 45-year-old patient with an unusual clinical course of wide-spread cutaneous and oral lichen planus as well as pemphigus vulgaris of the oral cavity, both refractory to standard therapy, a Castleman tumour was suspected.
  • (11) A case of Lichen aureus in a 15-year old boy is presented.
  • (12) Specifically, we were able to make a diagnosis of psoriasis in four cases, lichen planus in three cases, and Darier's disease in one case.
  • (13) Lichen planus is a common disorder of unknown aetiology.
  • (14) The result of topical treatment by dimethyl sulphoxide (DMSO) in a patient with lichen amyloidosus is reported.
  • (15) Additionally, a lichenoid inflammatory infiltrate is seen at the periphery of the verrucous lesions, and in one case this has the pattern of classic lichen sclerosus.
  • (16) This feature can be found in several dermatoses and particularly in lichen striatus and acantholytic linear naevus.
  • (17) The relative incidence of this condition, compared with the incidence of all forms of lichen planus, was smaller than that reported in the literature.
  • (18) In lichen planus, an increase both in the number of Langerhans cells and the numbers expressing CD4 were found in areas of keratinocyte HLADR expression compared with HLADR negative areas and with normal oral mucosa.
  • (19) Focal areas of established lichenoid reaction, that are indistinguishable from lichen planus, are common.
  • (20) The high incidence of familial lichen planus supports the hypothesis that genetic factors are of etiologic importance in lichen planus.