Journal articles: 'Komplex Saccharomyces sensu stricto'

1

MARTINI, Vaughan A., and A. MARTINI. "A brief history of Saccharomyces sensu stricto." Kvasny Prumysl 37, no. 3 (March 1, 1991): 74–79. http://dx.doi.org/10.18832/kp1991011.

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Rainieri, Sandra, Carlo Zambonelli, and Yoshinobu Kaneko. "Saccharomyces sensu stricto: Systematics, genetic diversity and evolution." Journal of Bioscience and Bioengineering 96, no. 1 (January 2003): 1–9. http://dx.doi.org/10.1016/s1389-1723(03)90089-2.

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Duarte, Filomena L., Célia Pais, Isabel Spencer-Martins, and Cecília Leäo. "Distinctive electrophoretic isoenzyme profiles in Saccharomyces sensu stricto." International Journal of Systematic and Evolutionary Microbiology 49, no. 4 (October 1, 1999): 1907–13. http://dx.doi.org/10.1099/00207713-49-4-1907.

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Rainieri, Sandra, Carlo Zambonelli, John E. Hallsworth, Andrea Pulvirenti, and Paolo Giudici. "Saccharomyces uvarum, a distinct group withinSaccharomyces sensu stricto." FEMS Microbiology Letters 177, no. 1 (August 1999): 177–85. http://dx.doi.org/10.1111/j.1574-6968.1999.tb13729.x.

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Vaughan Martini, A., and A. Martini. "Three newly delimited species of Saccharomyces sensu stricto." Antonie van Leeuwenhoek 53, no. 2 (1987): 77–84. http://dx.doi.org/10.1007/bf00419503.

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Manzano, Marisa, Luca Cocolin, Benedetta Longo, and Giuseppe Comi. "PCR–DGGE differentiation of strains of Saccharomyces sensu stricto." Antonie van Leeuwenhoek 85, no. 1 (January 2004): 23–27. http://dx.doi.org/10.1023/b:anto.0000020270.44019.39.

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Ruan, Jiangxing, Jian Cheng, Tongcun Zhang, and Huifeng Jiang. "Mitochondrial genome evolution in the Saccharomyces sensu stricto complex." PLOS ONE 12, no. 8 (August 16, 2017): e0183035. http://dx.doi.org/10.1371/journal.pone.0183035.

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Naumov, G. I., S. A. James, E. S. Naumova, E. J. Louis, and I. N. Roberts. "Three new species in the Saccharomyces sensu stricto complex: Saccharomyces cariocanus, Saccharomyces kudriavzevii and Saccharomyces mikatae." International Journal of Systematic and Evolutionary Microbiology 50, no. 5 (September 1, 2000): 1931–42. http://dx.doi.org/10.1099/00207713-50-5-1931.

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Naumov, Gennadi I., Elena S. Naumova, and Paul D. Sniegowski. "Saccharomyces paradoxus and Saccharomyces cerevisiae are associated with exudates of North American oaks." Canadian Journal of Microbiology 44, no. 11 (November 1, 1998): 1045–50. http://dx.doi.org/10.1139/w98-104.

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Genetic hybridization and karyotypic analyses revealed the biological species Saccharomyces paradoxus and Saccharomyces cerevisiae in exudates from North American oaks for the first time. In addition, two strains collected from elm flux and from Drosophila by Phaff in 1961 and 1952 were reidentified as S. paradoxus. Each strain studied showed a unique profile of chromosomal hybridization with a probe for the retrotransposable element Ty1. The wild distribution of natural Saccharomyces sensu stricto yeasts is discussed.Key words: genetical taxonomy, Saccharomyces paradoxus, oak exudates, Ty elements, electrophoretic karyotyping.

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Rajnović, Ivana, Doris Fejer, Sanja Kajić, Marija Duvnjak, and Sanja Sikora. "Utjecaj različitih fungicidnih pripravaka na rast kvasaca skupine Saccharomyces sensu stricto." Glasnik zaštite bilja 43, no. 3 (May 31, 2020): 14–21. http://dx.doi.org/10.31727/gzb.43.3.2.

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Cilj ovog istraživanja bio je utvrditi djelovanje četiri različita fungicidna pripravka na bazi djelatnih tvari mankozeb, kaptan, iprodion i zoksamid na kvasce iz skupine Saccharomyces sensu stricto u laboratorijskim uvjetima. Kvasci iz ove skupine, posebice vrste Saccharomyces cerevisiae i Saccharomyces paradoxus od iznimne su važnosti za proizvodnju vina jer svojim metabolizmom utječu na sam proces fermentacije kao i na stvaranje brojnih spojeva važnih za aromu vina. Filter-disk metodom ispitivan je utjecaj fungicidnih pripravaka koji se primjenjuju za suzbijanje bolesti vinove loze u koncentracijama preporučenima od strane proizvođača kao i u nekim umanjenim i uvećanim koncentracijama. Dokazan je utjecaj pripravaka Cadillac 80WP®, Electis WG® i Stoper® na rast ispitivanih sojeva S. cerevisiae i S. paradoxus dok Kidan® nije imao utjecaj na rast kvasaca ni pri jednoj od ispitivanih koncentracija. Najveći negativan utjecaj imao je Cadillac 80WP® koji je inhibirao rast ispitivanih sojeva čak i pri upola nižim koncentracijama od propisanih. Nije utvrđena razlika u osjetljivosti između vrsta S. cerevisiae i S. paradoxus, dok se istovremeno može zaključiti da su referentni sojevi bili osjetljiviji na Cadillac 80WP®, Electis WG® i Stoper® u usporedbi s autohtonim izolatima.

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REPLANSKY, T., V. KOUFOPANOU, D. GREIG, and G. BELL. "Saccharomyces sensu stricto as a model system for evolution and ecology." Trends in Ecology & Evolution 23, no. 9 (September 2008): 494–501. http://dx.doi.org/10.1016/j.tree.2008.05.005.

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12

Možina, S. Smole, D. Dlauchy, T. Deak, and P. Raspor. "Identification of Saccharomyces sensu stricto and Torulaspora yeasts by PCR ribotyping." Letters in Applied Microbiology 24, no. 4 (April 1997): 311–15. http://dx.doi.org/10.1046/j.1472-765x.1997.00068.x.

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13

VAUGHAN MARTINI, A., and C. P. KURTZMAN. "Deoxyribonucleic Acid Relatedness among Species of the Genus Saccharomyces Sensu Stricto." International Journal of Systematic Bacteriology 35, no. 4 (October 1, 1985): 508–11. http://dx.doi.org/10.1099/00207713-35-4-508.

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Santos, Scheila Karina Brito dos, Anna Carla Moreira Basílio, Bereneuza Tavares Ramos Valente Brasileiro, Diogo Ardaillon Simões, Eurípedes Alves da Silva-Filho, and Marcos de Morais. "Identification of yeasts within Saccharomyces sensu stricto complex by PCR-fingerprinting." World Journal of Microbiology and Biotechnology 23, no. 11 (May 13, 2007): 1613–20. http://dx.doi.org/10.1007/s11274-007-9407-6.

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15

BELLOCH, C. "Fermentative stress adaptation of hybrids within the Saccharomyces sensu stricto complex." International Journal of Food Microbiology 122, no. 1-2 (February 29, 2008): 188–95. http://dx.doi.org/10.1016/j.ijfoodmicro.2007.11.083.

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16

Naumov, G. I., E. S. Naumova, I. Masneuf, M. Aigle, V. I. Kondratieva, and D. Dubourdieu. "Natural Polyploidization of Some Cultured Yeast Saccharomyces Sensu Stricto: Auto- and Allotetraploidy." Systematic and Applied Microbiology 23, no. 3 (October 2000): 442–49. http://dx.doi.org/10.1016/s0723-2020(00)80076-4.

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17

Sicard, Delphine, and Jean-Luc Legras. "Bread, beer and wine: Yeast domestication in the Saccharomyces sensu stricto complex." Comptes Rendus Biologies 334, no. 3 (March 2011): 229–36. http://dx.doi.org/10.1016/j.crvi.2010.12.016.

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18

Mo/ller, Kasper, Lisbeth Olsson, and Jure Piškur. "Ability for Anaerobic Growth Is Not Sufficient for Development of the Petite Phenotype in Saccharomyces kluyveri." Journal of Bacteriology 183, no. 8 (April 15, 2001): 2485–89. http://dx.doi.org/10.1128/jb.183.8.2485-2489.2001.

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ABSTRACT Saccharomyces cerevisiae is a petite-phenotype-positive (“petite-positive”) yeast, which can successfully grow in the absence of oxygen. On the other hand, Kluyveromyces lactisas well as many other yeasts are petite negative and cannot grow anaerobically. In this paper, we show that Saccharomyces kluyveri can grow under anaerobic conditions, but while it can generate respiration-deficient mutants, it cannot generate true petite mutants. From a phylogenetic point of view, S. kluyveri is apparently more closely related to S. cerevisiae than toK. lactis. These observations suggest that the progenitor of the modern Saccharomyces and Kluyveromycesyeasts, as well as other related genera, was a petite-negative and aerobic yeast. Upon separation of the K. lactis andS. kluyveri-S. cerevisiae lineages, the latter developed the ability to grow anaerobically. However, while the S. kluyveri lineage has remained petite negative, the lineage leading to the modern Saccharomyces sensu stricto and sensu lato yeasts has developed the petite-positive characteristic.

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NAUMOV, GENNADI I., ELENA S. NAUMOVA, and EDWARD J. LOUIS. "Two new genetically isolated populations of the Saccharomyces sensu stricto complex from Japan." Journal of General and Applied Microbiology 41, no. 6 (1995): 499–505. http://dx.doi.org/10.2323/jgam.41.499.

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20

LEWICKA, K., M. MALLIE, and J. M. BASTIDE. "Genetic Variability in the Saccharomyces Sensu Stricto Complex Revealed by Multilocus Enzyme Electrophoresis." International Journal of Systematic Bacteriology 45, no. 3 (July 1, 1995): 538–43. http://dx.doi.org/10.1099/00207713-45-3-538.

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21

Naumova, E. S., H. Turakainen, G. I. Naumov, and M. Korhola. "Superfamily of α-galactosidase MEL genes of the Saccharomyces sensu stricto species complex." Molecular and General Genetics MGG 253, no. 1-2 (November 1996): 111–17. http://dx.doi.org/10.1007/s004380050303.

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22

Rimek, Dagmar, Amar P. Garg, Walter H. Haas, and Reinhard Kappe. "Identification of Contaminating Fungal DNA Sequences in Zymolyase." Journal of Clinical Microbiology 37, no. 3 (1999): 830–31. http://dx.doi.org/10.1128/jcm.37.3.830-831.1999.

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When different preparations of Zymolyase were included in the pretreatment protocol of a panfungal PCR assay using a primer system for the 18S rRNA gene, an amplification product occurred in negative controls. The amplified fragment showed 100.0% sequence identity to the Saccharomyces sensu stricto complex andKluyveromyces lodderae. Lyticase, lysing enzymes, and proteinase K appeared to be free from fungal DNA.

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23

Marinoni, Gaelle, Martine Manuel, Randi Føns Petersen, Jeanne Hvidtfeldt, Pavol Sulo, and Jure Piškur. "Horizontal Transfer of Genetic Material amongSaccharomyces Yeasts." Journal of Bacteriology 181, no. 20 (October 15, 1999): 6488–96. http://dx.doi.org/10.1128/jb.181.20.6488-6496.1999.

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ABSTRACT The genus Saccharomyces consists of several species divided into the sensu stricto and the sensu lato groups. The genomes of these species differ in the number and organization of nuclear chromosomes and in the size and organization of mitochondrial DNA (mtDNA). In the present experiments we examined whether these yeasts can exchange DNA and thereby create novel combinations of genetic material. Several putative haploid, heterothallic yeast strains were isolated from different Saccharomyces species. All of these strains secreted an a- or α-like pheromone recognized by S. cerevisiae tester strains. When interspecific crosses were performed by mass mating between these strains, hybrid zygotes were often detected. In general, the less related the two parental species were, the fewer hybrids they gave. For some crosses, viable hybrids could be obtained by selection on minimal medium and their nuclear chromosomes and mtDNA were examined. Often the frequency of viable hybrids was very low. Sometimes putative hybrids could not be propagated at all. In the case of sensu stricto yeasts, stable viable hybrids were obtained. These contained both parental sets of chromosomes but mtDNA from only one parent. In the case of sensu lato hybrids, during genetic stabilization one set of the parental chromosomes was partially or completely lost and the stable mtDNA originated from the same parent as the majority of the nuclear chromosomes. Apparently, the interspecific hybrid genome was genetically more or less stable when the genetic material originated from phylogenetically relatively closely related parents; both sets of nuclear genetic material could be transmitted and preserved in the progeny. In the case of more distantly related parents, only one parental set, and perhaps some fragments of the other one, could be found in genetically stabilized hybrid lines. The results obtained indicate that Saccharomyces yeasts have a potential to exchange genetic material. If Saccharomyces isolates could mate freely in nature, horizontal transfer of genetic material could have occurred during the evolution of modern yeast species.

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Huang, Chien-Hsun, Fwu-Ling Lee, and Chun-Ju Tai. "A novel specific DNA marker in Saccharomyces bayanus for species identification of the Saccharomyces sensu stricto complex." Journal of Microbiological Methods 75, no. 3 (December 2008): 531–34. http://dx.doi.org/10.1016/j.mimet.2008.08.005.

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Lu, Tzu-Chiao, Jun-Yi Leu, and Wen-Chang Lin. "A Comprehensive Analysis of Transcript-Supported De Novo Genes in Saccharomyces sensu stricto Yeasts." Molecular Biology and Evolution 34, no. 11 (July 24, 2017): 2823–38. http://dx.doi.org/10.1093/molbev/msx210.

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CARDINALI, G., and A. MARTINI. "Electrophoretic Karyotypes of Authentic Strains of the Sensu Stricto Group of the Genus Saccharomyces." International Journal of Systematic Bacteriology 44, no. 4 (October 1, 1994): 791–97. http://dx.doi.org/10.1099/00207713-44-4-791.

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Kunicka-Styczyńska, A., and K. Rajkowska. "Physiological and genetic stability of hybrids of industrial wine yeasts Saccharomyces sensu stricto complex." Journal of Applied Microbiology 110, no. 6 (April 12, 2011): 1538–49. http://dx.doi.org/10.1111/j.1365-2672.2011.05009.x.

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Tornai-Lehoczki, J., D. Dlauchy, and T. Deák. "Significance of active fructose transport in the differentiation of the Saccharomyces sensu stricto group." Letters in Applied Microbiology 19, no. 3 (September 1994): 173–76. http://dx.doi.org/10.1111/j.1472-765x.1994.tb00935.x.

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29

Martini, Ann Vaughan. "Saccharomyces paradoxus comb. nov., a Newly Separated Species of the Saccharomyces sensu stricto Complex Based upon nDNA/nDNA Homologies." Systematic and Applied Microbiology 12, no. 2 (October 1989): 179–82. http://dx.doi.org/10.1016/s0723-2020(89)80012-8.

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30

Hayashi, Nobuyuki, Toshiko Minato, Keiko Kanai, Shigehito Ikushima, Satoshi Yoshida, Setsuzo Tada, Hiroshi Taguchi, and Yutaka Ogawa. "Differentiation of Species Belonging to Saccharomyces Sensu Stricto Using a Loop-Mediated Isothermal Amplification Method." Journal of the American Society of Brewing Chemists 67, no. 2 (April 2009): 118–26. http://dx.doi.org/10.1094/asbcj-2009-0309-01.

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Masneuf, Isabelle, Jørgen Hansen, Casper Groth, Jure Piskur, and Denis Dubourdieu. "New Hybrids between Saccharomyces Sensu Stricto Yeast Species Found among Wine and Cider Production Strains." Applied and Environmental Microbiology 64, no. 10 (October 1, 1998): 3887–92. http://dx.doi.org/10.1128/aem.64.10.3887-3892.1998.

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ABSTRACT Two yeast isolates, a wine-making yeast first identified as a Mel+ strain (ex. S. uvarum) and a cider-making yeast, were characterized for their nuclear and mitochondrial genomes. Electrophoretic karyotyping analyses, restriction fragment length polymorphism maps of PCR-amplified MET2 gene fragments, and the sequence analysis of a part of the two MET2 gene alleles found support the notion that these two strains constitute hybrids between Saccharomyces cerevisiae andSaccharomyces bayanus. The two hybrid strains had completely different restriction patterns of mitochondrial DNA as well as different sequences of the OLI1 gene. The sequence of the OLI1 gene from the wine hybrid strain appeared to be the same as that of the S. cerevisiae gene, whereas theOLI1 gene of the cider hybrid strain is equally divergent from both putative parents, S. bayanus and S. cerevisiae. Some fermentative properties were also examined, and one phenotype was found to reflect the hybrid nature of these two strains. The origin and nature of such hybridization events are discussed.

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Chang, Ho-Won, Young-Do Nam, Youlboong Sung, Kyoung-Ho Kim, Seong Woon Roh, Jung-Hoon Yoon, Kwang-Guk An, and Jin-Woo Bae. "Quantitative real time PCR assays for the enumeration of Saccharomyces cerevisiae and the Saccharomyces sensu stricto complex in human feces." Journal of Microbiological Methods 71, no. 3 (December 2007): 191–201. http://dx.doi.org/10.1016/j.mimet.2007.08.013.

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Naumov, Gennadi I., Elena S. Naumova, and Amparo Querol. "Genetic Study of Natural Introgression Supports Delimitation of Biological Species in the Saccharomyces Sensu Stricto Complex." Systematic and Applied Microbiology 20, no. 4 (November 1997): 595–601. http://dx.doi.org/10.1016/s0723-2020(97)80031-8.

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Edwards-Ingram, L. C. "Comparative Genomic Hybridization Provides New Insights Into the Molecular Taxonomy of the Saccharomyces Sensu Stricto Complex." Genome Research 14, no. 6 (May 12, 2004): 1043–51. http://dx.doi.org/10.1101/gr.2114704.

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GUILLAMON, J. M., E. BARRIO, T. HUERTA, and A. QUEROL. "Rapid Characterization of Four Species of the Saccharomyces Sensu Stricto Complex According to Mitochondrial DNA Patterns." International Journal of Systematic Bacteriology 44, no. 4 (October 1, 1994): 708–14. http://dx.doi.org/10.1099/00207713-44-4-708.

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Tornai-Lehoczki, J., and D. Dlauchy. "An Opportunity to distingush species of Saccharomyces Sensu stricto by electrophoretic separation of the larger Chromosomes." Letters in Applied Microbiology 23, no. 4 (October 1996): 227–30. http://dx.doi.org/10.1111/j.1472-765x.1996.tb00071.x.

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37

Rodríguez-Cousiño, Nieves, Pilar Gómez, and Rosa Esteban. "Variation and Distribution of L-A Helper Totiviruses in Saccharomyces sensu stricto Yeasts Producing Different Killer Toxins." Toxins 9, no. 10 (October 11, 2017): 313. http://dx.doi.org/10.3390/toxins9100313.

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Stratford, Malcolm, Andrew Plumridge, and David B. Archer. "Decarboxylation of Sorbic Acid by Spoilage Yeasts Is Associated with the PAD1 Gene." Applied and Environmental Microbiology 73, no. 20 (August 31, 2007): 6534–42. http://dx.doi.org/10.1128/aem.01246-07.

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ABSTRACT The spoilage yeast Saccharomyces cerevisiae degraded the food preservative sorbic acid (2,4-hexadienoic acid) to a volatile hydrocarbon, identified by gas chromatography mass spectrometry as 1,3-pentadiene. The gene responsible was identified as PAD1, previously associated with the decarboxylation of the aromatic carboxylic acids cinnamic acid, ferulic acid, and coumaric acid to styrene, 4-vinylguaiacol, and 4-vinylphenol, respectively. The loss of PAD1 resulted in the simultaneous loss of decarboxylation activity against both sorbic and cinnamic acids. Pad1p is therefore an unusual decarboxylase capable of accepting both aromatic and aliphatic carboxylic acids as substrates. All members of the Saccharomyces genus (sensu stricto) were found to decarboxylate both sorbic and cinnamic acids. PAD1 homologues and decarboxylation activity were found also in Candida albicans, Candida dubliniensis, Debaryomyces hansenii, and Pichia anomala. The decarboxylation of sorbic acid was assessed as a possible mechanism of resistance in spoilage yeasts. The decarboxylation of either sorbic or cinnamic acid was not detected for Zygosaccharomyces, Kazachstania (Saccharomyces sensu lato), Zygotorulaspora, or Torulaspora, the genera containing the most notorious spoilage yeasts. Scatter plots showed no correlation between the extent of sorbic acid decarboxylation and resistance to sorbic acid in spoilage yeasts. Inhibitory concentrations of sorbic acid were almost identical for S. cerevisiae wild-type and Δpad1 strains. We concluded that Pad1p-mediated sorbic acid decarboxylation did not constitute a significant mechanism of resistance to weak-acid preservatives by spoilage yeasts, even if the decarboxylation contributed to spoilage through the generation of unpleasant odors.

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Sampaio, José Paulo, and Paula Gonçalves. "Natural Populations of Saccharomyces kudriavzevii in Portugal Are Associated with Oak Bark and Are Sympatric with S. cerevisiae and S. paradoxus." Applied and Environmental Microbiology 74, no. 7 (February 15, 2008): 2144–52. http://dx.doi.org/10.1128/aem.02396-07.

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ABSTRACT Here we report the isolation of four Saccharomyces species (former Saccharomyces sensu stricto group) from tree bark. The employment of two temperatures (10°C in addition to the more commonly used 30°C) resulted in the isolation of S. kudriavzevii and S. uvarum, two species that grow at low temperatures, in addition to S. cerevisiae and S. paradoxus. A clear bias was found toward the bark of certain trees, particularly certain oak species. Very often, more than one Saccharomyces species was found in one locality and occasionally even in the same bark sample. Our evidence strongly suggests that (markedly) different growth temperature preferences play a fundamental role in the sympatric associations of Saccharomyces species uncovered in this survey. S. kudriavzevii was isolated at most of the sites sampled in Portugal, indicating that the geographic distribution of this species is wider than the distribution assumed thus far. However, the Portuguese S. kudriavzevii population exhibited important genetic differences compared to the type strain of the species that represents a Japanese population. In this study, S. kudriavzevii stands out as the species that copes better with low temperatures.

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40

Rodrigues De Sousa, H., A. Madeira-Lopes, and I. Spencer-Martins. "The Significance of Active Fructose Transport and Maximum Temperature for Growth in the Taxonomy of Saccharomyces sensu stricto." Systematic and Applied Microbiology 18, no. 1 (January 1995): 44–51. http://dx.doi.org/10.1016/s0723-2020(11)80447-9.

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41

Ghoneim, Dalia H., Xiaoju Zhang, Christina E. Brule, David H. Mathews, and Elizabeth J. Grayhack. "Conservation of location of several specific inhibitory codon pairs in the Saccharomyces sensu stricto yeasts reveals translational selection." Nucleic Acids Research 47, no. 3 (December 21, 2018): 1164–77. http://dx.doi.org/10.1093/nar/gky1262.

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Chang, FuJung, James F. Theis, Jeremy Miller, Conrad A. Nieduszynski, Carol S. Newlon, and Michael Weinreich. "Analysis of Chromosome III Replicators Reveals an Unusual Structure for the ARS318 Silencer Origin and a Conserved WTW Sequence within the Origin Recognition Complex Binding Site." Molecular and Cellular Biology 28, no. 16 (June 23, 2008): 5071–81. http://dx.doi.org/10.1128/mcb.00206-08.

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ABSTRACT Saccharomyces cerevisiae chromosome III encodes 11 autonomously replicating sequence (ARS) elements that function as chromosomal replicators. The essential 11-bp ARS consensus sequence (ACS) that binds the origin recognition complex (ORC) has been experimentally defined for most of these replicators but not for ARS318 (HMR-I), which is one of the HMR silencers. In this study, we performed a comprehensive linker scan analysis of ARS318. Unexpectedly, this replicator depends on a 9/11-bp match to the ACS that positions the ORC binding site only 6 bp away from an Abf1p binding site. Although a largely inactive replicator on the chromosome, ARS318 becomes active if the nearby HMR-E silencer is deleted. We also performed a multiple sequence alignment of confirmed replicators on chromosomes III, VI, and VII. This analysis revealed a highly conserved WTW motif 17 to 19 bp from the ACS that is functionally important and is apparent in the 228 phylogenetically conserved ARS elements among the six sensu stricto Saccharomyces species.

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Huang, Chien-Hsun, Fwu-Ling Lee, and Chun-Ju Tai. "The β-tubulin gene as a molecular phylogenetic marker for classification and discrimination of the Saccharomyces sensu stricto complex." Antonie van Leeuwenhoek 95, no. 2 (December 28, 2008): 135–42. http://dx.doi.org/10.1007/s10482-008-9296-1.

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44

Harrison, R. J., and B. Charlesworth. "Biased Gene Conversion Affects Patterns of Codon Usage and Amino Acid Usage in the Saccharomyces sensu stricto Group of Yeasts." Molecular Biology and Evolution 28, no. 1 (July 23, 2010): 117–29. http://dx.doi.org/10.1093/molbev/msq191.

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45

Roscini, Luca, Angela Conti, Debora Casagrande Pierantoni, Vincent Robert, Laura Corte, and Gianluigi Cardinali. "Do Metabolomics and Taxonomic Barcode Markers Tell the Same Story about the Evolution of Saccharomyces sensu stricto Complex in Fermentative Environments?" Microorganisms 8, no. 8 (August 15, 2020): 1242. http://dx.doi.org/10.3390/microorganisms8081242.

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Yeast taxonomy was introduced based on the idea that physiological properties would help discriminate species, thus assuming a strong link between physiology and taxonomy. However, the instability of physiological characteristics within species configured them as not ideal markers for species delimitation, shading the importance of physiology and paving the way to the DNA-based taxonomy. The hypothesis of reconnecting taxonomy with specific traits from phylogenies has been successfully explored for Bacteria and Archaea, suggesting that a similar route can be traveled for yeasts. In this framework, thirteen single copy loci were used to investigate the predictability of complex Fourier Transform InfaRed spectroscopy (FTIR) and High-performance Liquid Chromatography–Mass Spectrometry (LC-MS) profiles of the four historical species of the Saccharomyces sensu stricto group, both on resting cells and under short-term ethanol stress. Our data show a significant connection between the taxonomy and physiology of these strains. Eight markers out of the thirteen tested displayed high correlation values with LC-MS profiles of cells in resting condition, confirming the low efficacy of FTIR in the identification of strains of closely related species. Conversely, most genetic markers displayed increasing trends of correlation with FTIR profiles as the ethanol concentration increased, according to their role in the cellular response to different type of stress.

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Maqueda, Matilde, Emiliano Zamora, María L. Álvarez, and Manuel Ramírez. "Characterization, Ecological Distribution, and Population Dynamics of Saccharomyces Sensu Stricto Killer Yeasts in the Spontaneous Grape Must Fermentations of Southwestern Spain." Applied and Environmental Microbiology 78, no. 3 (November 18, 2011): 735–43. http://dx.doi.org/10.1128/aem.06518-11.

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ABSTRACTKiller yeasts secrete protein toxins that are lethal to sensitive strains of the same or related yeast species. Among the four types ofSaccharomyceskiller yeasts already described (K1, K2, K28, and Klus), we found K2 and Klus killer yeasts in spontaneous wine fermentations from southwestern Spain. Both phenotypes were encoded by medium-size double-stranded RNA (dsRNA) viruses,Saccharomyces cerevisiaevirus (ScV)-M2 and ScV-Mlus, whose genome sizes ranged from 1.3 to 1.75 kb and from 2.1 to 2.3 kb, respectively. The K2 yeasts were found in all the wine-producing subareas for all the vintages analyzed, while the Klus yeasts were found in the warmer subareas and mostly in the warmer ripening/harvest seasons. The middle-size isotypes of the M2 dsRNA were the most frequent among K2 yeasts, probably because they encoded the most intense K2 killer phenotype. However, the smallest isotype of the Mlus dsRNA was the most frequent for Klus yeasts, although it encoded the least intense Klus killer phenotype. The killer yeasts were present in most (59.5%) spontaneous fermentations. Most were K2, with Klus being the minority. The proportion of killer yeasts increased during fermentation, while the proportion of sensitive yeasts decreased. The fermentation speed, malic acid, and wine organoleptic quality decreased in those fermentations where the killer yeasts replaced at least 15% of a dominant population of sensitive yeasts, while volatile acidity and lactic acid increased, and the amount of bacteria in the tumultuous and the end fermentation stages also increased in an unusual way.

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Steckelberg, Claudia, Maria da GraÇa Stupiello Andrietta, Silvio Roberto Andrietta, and Erika Nogueira Andrade Stupielloé. "Yeast Proteins Originated from the Production of Brazilian Bioethanol Quantification and Content." International Journal of Food Engineering 9, no. 1 (June 8, 2013): 141–46. http://dx.doi.org/10.1515/ijfe-2012-0179.

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AbstractThe purpose of this work was to determine the levels of protein and the amino acid distribution in the cell mass of yeast strains (Saccharomyces sensu stricto) originated from Brazilian bioethanol industries. The protein was analyzed with the Kjeldahl method and the amino acids, by using high-performance liquid chromatography (HPLC). The percentages of the protein found ranged from 39 to 49%. The results show that in spite of some variation in numbers between the different yeast strains, all of them presented an amino acid profile similar to the one in the literature for S. cerevisae. The amino acids that have occurred in the largest amounts were: aspartic, glutamic acids and lysine, and those in the lowest amounts were: cysteine and methionine. Although the characteristics of the feedstock used and the process conditions are determinant of the protein values obtained in dry mass, this work elucidates that the intrinsic properties of the yeast strain influence these values.

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Wightman, Raymond, and Peter A. Meacock. "The THI5 gene family of Saccharomyces cerevisiae: distribution of homologues among the hemiascomycetes and functional redundancy in the aerobic biosynthesis of thiamin from pyridoxine." Microbiology 149, no. 6 (June 1, 2003): 1447–60. http://dx.doi.org/10.1099/mic.0.26194-0.

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The THI5 gene family of Saccharomyces cerevisiae comprises four highly conserved members named THI5 (YFL058w), THI11 (YJR156c), THI12 (YNL332w) and THI13 (YDL244w). Each gene copy is located within the subtelomeric region of a different chromosome and all are homologues of the Schizosaccharomyces pombe nmt1 gene which is thought to function in the biosynthesis of hydroxymethylpyrimidine (HMP), a precursor of vitamin B1, thiamin. A comprehensive phylogenetic study has shown that the existence of THI5 as a gene family is exclusive to those yeasts of the Saccharomyces sensu stricto subgroup. To determine the function and redundancy of each of the S. cerevisiae homologues, all combinations of the single, double, triple and quadruple deletion mutants were constructed using a PCR-mediated gene-disruption strategy. Phenotypic analyses of these mutant strains have shown the four genes to be functionally redundant in terms of HMP formation for thiamin biosynthesis; each promotes synthesis of HMP from the pyridoxine (vitamin B6) biosynthetic pathway. Furthermore, growth studies with the quadruple mutant strain support a previous proposal of an alternative HMP biosynthetic pathway that operates in yeast under anaerobic growth conditions. Comparative analysis of mRNA levels has revealed subtle differences in the regulation of the four genes, suggesting that they respond differently to nutrient limitation.

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Bruner, James, and Glen Fox. "Novel Non-Cerevisiae Saccharomyces Yeast Species Used in Beer and Alcoholic Beverage Fermentations." Fermentation 6, no. 4 (November 24, 2020): 116. http://dx.doi.org/10.3390/fermentation6040116.

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A great deal of research in the alcoholic beverage industry was done on non-Saccharomyces yeast strains in recent years. The increase in research interest could be attributed to the changing of consumer tastes and the search for new beer sensory experiences, as well as the rise in popularity of mixed-fermentation beers. The search for unique flavors and aromas, such as the higher alcohols and esters, polyfunctional thiols, lactones and furanones, and terpenoids that produce fruity and floral notes led to the use of non-cerevisiae Saccharomyces species in the fermentation process. Additionally, a desire to invoke new technologies and techniques for making alcoholic beverages also led to the use of new and novel yeast species. Among them, one of the most widely used non-cerevisiae strains is S. pastorianus, which was used in the production of lager beer for centuries. The goal of this review is to focus on some of the more distinct species, such as those species of Saccharomyces sensu stricto yeasts: S. kudriavzevii, S. paradoxus, S. mikatae, S. uvarum, and S. bayanus. In addition, this review discusses other Saccharomyces spp. that were used in alcoholic fermentation. Most importantly, the factors professional brewers might consider when selecting a strain of yeast for fermentation, are reviewed herein. The factors include the metabolism and fermentation potential of carbon sources, attenuation, flavor profile of fermented beverage, flocculation, optimal temperature range of fermentation, and commercial availability of each species. While there is a great deal of research regarding the use of some of these species on a laboratory scale wine fermentation, much work remains for their commercial use and efficacy for the production of beer.

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Tóth, Zoltán, Lajos Forgács, Jeffrey B. Locke, Gábor Kardos, Fruzsina Nagy, Renátó Kovács, Adrien Szekely, Andrew M. Borman, and László Majoros. "In vitro activity of rezafungin against common and rare Candida species and Saccharomyces cerevisiae." Journal of Antimicrobial Chemotherapy 74, no. 12 (September 20, 2019): 3505–10. http://dx.doi.org/10.1093/jac/dkz390.

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Abstract Background Rezafungin is a novel echinocandin with excellent activity against common Candida species; however, limited data are available regarding rare Candida species. Methods We determined the in vitro susceptibility of 689 clinical isolates of 5 common and 19 rare Candida species, as well as Saccharomyces cerevisiae. The activity of rezafungin was compared with that of anidulafungin, caspofungin, micafungin, amphotericin B and fluconazole, using CLSI broth microdilution methodology (Fourth Edition: M27). Results Rezafungin MIC90 values were 0.06 mg/L for Candida albicans (n=125), Candida tropicalis (n=51), Candida dubliniensis (n=22), Candida inconspicua (n=41), Candida sojae (n=10), Candida lipolytica (n=10) and Candida pulcherrima (n=10), 0.12 mg/L for Candida glabrata (n=81), Candida krusei (n=53), Candida kefyr (n=52) and Candida fabianii (n=15), 0.25 mg/L for Candida lusitaniae (n=46) and Candida auris (n=19), 0.5 mg/L for Candida metapsilosis (n=15) and S. cerevisiae (n=21), 1 mg/L for Candida orthopsilosis (n=15) and Candida guilliermondii (n=27) and 2 mg/L for Candida parapsilosis sensu stricto (n=59). Caspofungin MIC90 values were 0.25–2 mg/L for all species, while micafungin and anidulafungin MIC90 values were similar to those of rezafungin. Fluconazole resistance was found in C. albicans (5.6%) and C. glabrata (4.9%); rezafungin was effective against these isolates as well. Amphotericin B MIC values did not exceed 2 mg/L. Conclusions Rezafungin showed excellent in vitro activity against both WT and azole-resistant Candida species, as well as against S. cerevisiae. Rezafungin had similar activity to other echinocandins (excluding caspofungin) against common Candida species and, notably, against clinically relevant uncommon Candida species.

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Journal articles on the topic 'Komplex Saccharomyces sensu stricto'

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