Photosynthetic Microorganisms of the Gavish Sabkha

Ehrlich, Aline; Dor, Inka

doi:10.1007/978-3-642-70290-7_17

Cited by 40 publications

(27 citation statements)

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“…: Frustulia coffeaeformis C.Agardh (1827). Refs: Kützing, 1844;Peragallo andPeragallo, 1897-1908;Helmcke and Krieger, 1953;Hustedt, 1933;Van Der Werff andHuls, 1957-1974;Anderson, 1975;Patrick and Reimer, 1975;Ehrlich, 1978;Bradbury and Blair, 1979;Archibald, 1983;Archibald and Barlow, 1983;Archibald and Schoeman, 1984;Karayeva et al, 1984;Ehrlich and Dor, 1985;Gusylakov, 1985;Bérard-Therriault et al, 1986;Cooksey and Cooksey, 1986;Dor and Ehrlich, 1987;Compère and Delmotte, 1988;Guslyakov, 1988. Meas. : AA: 14-30 µm; TA: 4-11 µm; TS in 10 µm: 16-23.…”

Section: Mastogloiales Mastogloiaceaementioning

confidence: 99%

“…Achnanthales Achnanthaceae Achnanthes Bory de Saint-Vincent Achnanthes brevipes C.Agardh (1824) (Figures 13a-13g) Refs: C. Agardh, 1824;Van Heurck, 1880-1885Peragallo andPeragallo, 1897-1908;Helmcke and Krieger, 1953;Desikachary, 1957;Okuno, 1970;Alfinito, 1983;Ehrlich and Dor, 1985;Ricard, 1987. Meas. : AA: 23-80 µm; TA: 10-26 µm; SV striae in 10 µm: 5-14; RSV striae in 10 µm: 5-14.…”

Section: Monoraphid Diatomsmentioning

confidence: 99%

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SEM analysis of the epibenthic diatoms on Eudendrium racemosum (Hydrozoa) from the Mediterranean Sea

Romagnoli¹,

Totti²,

Accoroni³

et al. 2014

Turk J Bot

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IntroductionBenthic diatoms of shallow coastal marine areas give a reliable contribution to the dynamics of aquatic ecosystems in terms of primary production, nutrient fluxes, and roles in the trophic web (MacIntyre et al., 1996;Totti, 2003). Communities of benthic diatoms can develop associated to different substrata, from the soft bottom (epipelon, epipsammon, and endopelon) (Totti, 2003) to rocks (epilithon) (

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Section: Mastogloiales Mastogloiaceaementioning

confidence: 99%

Section: Monoraphid Diatomsmentioning

confidence: 99%

SEM analysis of the epibenthic diatoms on Eudendrium racemosum (Hydrozoa) from the Mediterranean Sea

Romagnoli¹,

Totti²,

Accoroni³

et al. 2014

Turk J Bot

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“…Comparable bacterial and cyanobacterial densities have been found in hypersaline marine bodies along the coasts of the Gulf of Elat and Gulf of Suez. One hypersaline body, the Gavish Sabkha, has a lateral salt gradient ranging from about 5 to >35% (w/v); yet microorganisms thrive over this entire range in a succession of salinity-dependent sedimentary zones (Friedman and Krumbein 1995, Gerdes et al 1985a, Ehrlich and Dor 1985, Kessel et al 1985. The biological community of Gavish Sabkha includes 30 species of halotolerant cyanobacteria in addition to other microbes and a wide variety of halotolerant (up to 14% salt) metazoans: crustaceans, nematodes, and many others (Gerdes et al 1985b).…”

Section: Salt Ph and Metal Tolerances Of Terrestrial Organismsmentioning

confidence: 99%

Europa's Crust and Ocean: Origin, Composition, and the Prospects for Life

Kargel

Kaye

Head

et al. 2000

Icarus

407

411

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We have considered a wide array of scenarios for Europa's chemical evolution in an attempt to explain the presence of ice and hydrated materials on its surface and to understand the physical and chemical nature of any ocean that may lie below. We postulate that, following formation of the jovian system, the europan evolutionary sequence has as its major links: EUROPA'S OCEAN 227 evolution scenarios differ greatly in detailed predictions, but they generally call for a highly impure and chemically layered crust. Some of these models could lead also to lateral chemical heterogeneities by diapiric upwellings and/or cryovolcanism. We describe some plausible geological consequences of the physical-chemical structures predicted from these scenarios. These predicted consequences and observed aspects of Europa's geology may serve as a basis for further analysis and discrimination among several alternative scenarios. Most chemical pathways could support viable ecosystems based on analogy with the metabolic and physiological versatility of terrestrial microorganisms.

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“…Cyanobacteria with tightly coiled trichomes are frequently found in thermal freshwater environments as well as in brackish, marine and hypersaline waters (Anagnostidis & Golubic, 1966 ;Castenholz, 1977 ;Dubinin et al, 1995 ;Ehrlich & Dor, 1985 ;Gabbay-Azaria & Tel-Or, 1991 ;Garcia-Pichel et al, 1994 ;Pentecost, 1994 ;Tomaselli et al, 1995 ; . The EMBL accession numbers for the 16S rRNA gene sequences reported in this study are Y18789-Y18798.…”

Section: Introductionmentioning

confidence: 99%

The halotolerance and phylogeny of cyanobacteria with tightly coiled trichomes (Spirulina Turpin) and the description of Halospirulina tapeticola gen. nov., sp. nov.

Nübel

García-Pichel²,

Muyzer

2000

International Journal of Systematic and Evolutionary Microbiology

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The halotolerance and phylogeny of cyanobacteria with tightly coiled trichomes (Spirulina Turpin) and the description of Halospirulina tapeticola gen. nov., sp. nov. The morphologies, halotolerances, temperature requirements, pigment compositions and 16S rRNA gene sequences of five culture collection strains and six novel isolates of cyanobacteria with helical, tightly coiled trichomes were investigated. All strains were very similar morphologically and could be assigned to the genus Spirulina (or section Euspirulina sensu Geitler), according to traditional classification. However, the isolates showed significantly different requirements for salinity and temperature, which were in accordance with their respective environmental origins. The genetic divergence among the strains investigated was large. The results indicate the drastic underestimation of the physiological and phylogenetic diversity of these cyanobacteria by the current morphology-based classification and the clear need for new taxa. Three of the isolates originated from hypersaline waters and were similar with respect to their high halotolerance, broad euryhalinity and elevated temperature tolerance. By phylogenetic analyses, they were placed in a tight monophyletic cluster apart from all other cyanobacteria. Thus it is proposed to reclassify highly halotolerant cyanobacteria with tightly coiled trichomes in Halospirulina gen. nov., with the type species Halospirulina tapeticola sp. nov.

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Photosynthetic Microorganisms of the Gavish Sabkha

Cited by 40 publications

References 0 publications

SEM analysis of the epibenthic diatoms on Eudendrium racemosum (Hydrozoa) from the Mediterranean Sea

SEM analysis of the epibenthic diatoms on Eudendrium racemosum (Hydrozoa) from the Mediterranean Sea

Europa's Crust and Ocean: Origin, Composition, and the Prospects for Life

The halotolerance and phylogeny of cyanobacteria with tightly coiled trichomes (Spirulina Turpin) and the description of Halospirulina tapeticola gen. nov., sp. nov.

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