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Journal articles on the topic 'Saccharomyces sensu stricto complex'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

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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2

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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3

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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4

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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5

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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6

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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7

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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8

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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9

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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10

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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11

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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12

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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13

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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14

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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15

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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16

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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17

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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18

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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19

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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20

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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21

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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22

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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23

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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24

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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25

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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26

Postic, D., N. Marti Ras, R. S. Lane, M. Hendson, and G. Baranton. "Expanded Diversity among CalifornianBorrelia Isolates and Description of Borrelia bissettii sp. nov. (Formerly Borrelia Group DN127)." Journal of Clinical Microbiology 36, no. 12 (1998): 3497–504. http://dx.doi.org/10.1128/jcm.36.12.3497-3504.1998.

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Up to now, the only species in the complex Borrelia burgdorferi sensu lato known to cause Lyme borreliosis in the United States has been B. burgdorferi sensu stricto. However, some atypical strains closely related to the previously designated genomic group DN127 have been isolated in the United States, mostly in California. To explore the diversity of B. burgdorferi sensu lato group DN127, we analyzed the nucleotide sequences of the rrf-rrl intergenic spacer regions from 19 atypical strains (18 from California and one from New York) and 13 North American B. burgdorferi sensu stricto strains (6 from California). The spacer region sequences from the entire B. burgdorferi sensu lato complex available in data banks were used for comparison. Phylogenetic analysis of sequences shows that the main species of the B. burgdorferi sensu lato complex (B. afzelii, B. garinii, B. andersonii,B. japonica, B. burgdorferi sensu stricto,B. valaisiana, and B. lusitaniae) each form a coherent cluster. A heterogeneous group comprising strains belonging to the previously designated group DN127 clustered separately fromB. burgdorferi sensu stricto. Within this cluster, the deep branches expressing the distances between the rrf-rrlsequences reflect a high level of divergence. This unexpected diversity contrasts with the monomorphism exhibited by B. burgdorferisensu stricto. To clarify the taxonomic status of this highly heterogeneous group, analysis of the rrs sequences of selected strains chosen from deeply separated branches was performed. The results show that these strains significantly diverge at a level that is compatible with several distinct genomic groups. We conclude that the taxonomy and phylogeny of North American B. burgdorferi sensu lato should be reevaluated. For now, we propose that the genomic group DN127 should be referred to as a new species,B. bissettii sp. nov., and that other related but distinct strains, which require further characterization, be referred to asBorrelia spp.

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27

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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28

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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29

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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30

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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31

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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32

Cordeiro, Rossana de Aguiar, Ramila de Brito Macedo, Carlos Eduardo Cordeiro Teixeira, Francisca Jakelyne de Farias Marques, Tereza de Jesus Pinheiro Gomes Bandeira, José Luciano Bezerra Moreira, Raimunda Sâmia Nogueira Brilhante, Marcos Fábio Gadelha Rocha, and José Júlio Costa Sidrim. "The calcineurin inhibitor cyclosporin A exhibits synergism with antifungals against Candida parapsilosis species complex." Journal of Medical Microbiology 63, no. 7 (July 1, 2014): 936–44. http://dx.doi.org/10.1099/jmm.0.073478-0.

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Candida parapsilosis complex comprises three closely related species, C. parapsilosis sensu stricto, Candida metapsilosis and Candida orthopsilosis. In the last decade, antifungal resistance to azoles and caspofungin among C. parapsilosis sensu lato strains has been considered a matter of concern worldwide. In the present study, we evaluated the synergistic potential of antifungals and the calcineurin inhibitor cyclosporin A (Cys) against planktonic and biofilms of C. parapsilosis complex from clinical sources. Susceptibility assays with amphotericin, fluconazole, voriconazole, caspofungin and Cys were performed by microdilution in accordance with Clinical and Laboratory Standards Institute guidelines. Synergy testing against planktonic cells of C. parapsilosis sensu lato strains was assessed by the chequerboard method. Combinations formed by antifungals with Cys were evaluated against mature biofilms in microtitre plates. No differences in the antifungal susceptibility pattern among species were observed, but C. parapsilosis sensu stricto strains were more susceptible to Cys than C. orthopsilosis and C. metapsilosis. Synergism between antifungals and Cys was observed in C. parapsilosis sensu lato strains. Combinations formed by antifungals and Cys were able to prevent biofilm formation and showed an inhibitory effect against mature biofilms of C. parapsilosis sensu stricto, C. metapsilosis and C. orthopsilosis. These results strengthen the potential of calcineurin inhibition as a promising approach to enhance the efficiency of antifungal drugs.

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33

Brilhante, Raimunda Sâmia Nogueira, Terezinha de Jesus Santos Rodrigues, Débora de Souza Collares Maia Castelo-Branco, Carlos Eduardo Cordeiro Teixeira, Ramila de Brito Macedo, Silviane Praciano Bandeira, Lucas Pereira de Alencar, et al. "Antifungal susceptibility and virulence attributes of animal-derived isolates of Candida parapsilosis complex." Journal of Medical Microbiology 63, no. 11 (November 1, 2014): 1568–72. http://dx.doi.org/10.1099/jmm.0.076216-0.

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This study aimed to identify strains of the Candida parapsilosis complex isolated from animals, as well as to assess their in vitro antifungal susceptibility profile and in vitro production of virulence attributes. We used 28 isolates of C. parapsilosis sensu lato recovered from clinically healthy animals. The strains were characterized phenotypically, followed by molecular identification of the species through PCR-restriction enzyme analysis. The susceptibility of the strains to amphotericin B, itraconazole, voriconazole, fluconazole and caspofungin was assessed through broth microdilution. Additionally, the ability of the strains to produce biofilm, phospholipases and proteases was analysed. Molecular analysis showed 13 C. parapsilosis sensu stricto, 10 Candida orthopsilosis and five Candida metapsilosis strains. In vitro resistance to fluconazole was observed in three strains of C. parapsilosis sensu stricto and two C. metapsilosis. All tested strains were able to form biofilms and 23/28 isolates presented protease production, whilst none was able to produce phospholipases. Our study showed that C. parapsilosis sensu stricto and C. orthopsilosis are the most common species of the C. parapsilosis species complex and that these cryptic species present no significant phenotypical differences.

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34

OBEMBE, Music Temitope, and Idowu J. AWOPETU. "Sporozoite Infection Rate and Identification of the Infective and Refractory Species of Anopheles gambiae (Giles) Complex." Notulae Scientia Biologicae 6, no. 4 (December 8, 2014): 407–13. http://dx.doi.org/10.15835/nsb649435.

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The ability of Anopheles gambiae complex mosquitoes to transmit Plasmodium infection is known to be variable within sibling species of the complex with strains that cannot transmit the parasite. High sporozoite infection rate recorded showed that A. gambiae mosquitoes are potent malaria vectors in southwestern Nigeria. The aim of this study was to identify the infective and refractory strains of A. gambiae mosquitoes and to determine the sporozoite infection rate in this area. The infective strains were A. gambiae (sensu stricto) and A. arabiensis, while the refractory strains were A. gambiae (sensu stricto). However, ovarian polytene chromosome banding patterns could not be used to distinguish between the infective and refractory strains of A. gambiae (sensu stricto). This study showed that the refractory strains of Anopheles gambiae complex are present, but in low frequencies, in southwestern Nigeria, and that the sibling species of Anopheles gambiae (A. gambiae s.s. and A. arabiensis) are potent malaria vectors.

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35

Yodthong, Siriporn, Bryan L. Stuart, and Anchalee Aowphol. "Species delimitation of crab-eating frogs (Fejervarya cancrivora complex) clarifies taxonomy and geographic distributions in mainland Southeast Asia." ZooKeys 883 (October 28, 2019): 119–53. http://dx.doi.org/10.3897/zookeys.883.37544.

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The taxonomy and geographic distributions of species of crab-eating frogs (Fejervarya cancrivora complex) in mainland Southeast Asia have been highly uncertain. Three taxonomic names are used in recent literature (F. cancrivora, F. raja, and F. moodiei) but the applications of these names to localities has been inconsistent, especially owing to the lack of available molecular data for F. raja. Morphometric and mitochondrial DNA variation was examined in these frogs, including name-bearing types and topotypes of all three species. Findings corroborate evidence for the existence of two species in coastal mainland Southeast Asia, with F. moodiei having a wide geographic distribution and F. cancrivora sensu stricto occurring only in extreme southern Thailand and peninsular Malaysia. Fejervarya raja is shown to be only a large-bodied population of F. cancrivora sensu stricto and is synonymized with that species. Revised descriptions of F. moodiei and F. cancrivora sensu stricto are provided.

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36

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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37

Milligan, P. J. M., A. Phillips, G. Broomfield, D. H. Molyneux, Y. Touré, and M. Coluzzi. "A study of the use of gas chromatography of cuticular hydrocarbons for identifying members of the Anopheles gambiae (Diptera: Culicidae) complex." Bulletin of Entomological Research 83, no. 4 (December 1993): 613–24. http://dx.doi.org/10.1017/s0007485300040049.

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AbstractCuticular hydrocarbons were analysed by gas chromatography (GC) in 564 specimens of the Anopheles gambiae Giles complex from several West African sites, to determine whether individual A. gambiae sensu stricto and A. arabiensis Patton can be reliably identified, and to investigate the extent to which distinct chromosomal forms of A. gambiae sensu stricto, which are ecologically restricted as well as in some cases sexually isolated, can be distinguished by their cuticular hydrocarbons. Sympatric A. arabiensis and A. gambiae sensu stricto at Banambani, Mali could be distinguished with 90% correct identifications using the concentrations of four hydrocarbons in a linear discriminant function, but at a second site in Moribabougou, Mali, A. arabiensis was indistinguishable from a small sample of Bamako form of A. gambiae sensu stricto. Sympatric chromosomal forms of A. gambiae sensu stricto could be separated and clearest differences were found between the Mopti and Bamako forms. Direct gene flow between these forms has been found to be completely lacking despite partial intergradation of each form with the savanna form. Ethological isolating mechanisms between these forms have not however been demonstrated. Estimates of the rates of misclassification between the savanna form and the Mopti and Bamko forms reflect the degree of integradation observed amongst these forms by analysis of karyotype frequency in the wild. Discrimination was poor when an allopatric sample of the Mopti form was compared with other samples. An overall test shows that the proportion of correct classifications in discriminant analysis tends to be higher between sympatric than between allopatric populations; however, more extensive sampling would be needed for a rigorous test. The involvement of cuticular hydrocarbons in specific mate recognition systems is discussed.

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38

Phillips, A., A. Sabatini, P. J. M. Milligan, D. Boccolini, G. Broomfield, and D. H. Molyneux. "The Anopheles maculipennis complex (Diptera: Culicidae): comparison of the cuticular hydrocarbon profiles determined in adults of five Palaearctic species." Bulletin of Entomological Research 80, no. 4 (December 1990): 459–64. http://dx.doi.org/10.1017/s0007485300050720.

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AbstractA comparison was made between the cuticular hydrocarbons of five Palaearctic species of the Anopheles maculipennis Meigen complex; A. maculipennis sensu stricto, A. melanoon Hackett, A. messeae Falleroni, A. labranchiae Falleroni and A. atroparvus Van Thiel. Females of these species had their cuticular lipid removed and the hydrocarbons separated and quantified by gas chromatography. Discriminant analysis determined the degree of difference between the species. Wild caught adults of the complex had an average correct classification rate of 77.9%. A. atroparvus and A. labranchiae are homosequential and have no uniquely diagnostic isoenzymes, but expressed distinct hydrocarbon profiles enabling them to be separated in more than 86% of cases. Similarly, A. maculipennis sensu stricto and A. melanoon differ only by minor karyotype alterations, yet their hydrocarbon profiles could be separated with 83% correct classification. A dendrogram was drawn up, based on the hydrocarbons, using the Mahalanobis distances between species. A. maculipennis sensu stricto and A. melanoon were the two closest groups; A. messeae was next to join the cluster, followed by A. labranchiae and then A. atroparvus. These last two species were also very close to each other, but quite distant from A. maculipennis sensu stricto and A. melanoon. The species' relationships based on hydrocarbons thus reflect the tentative chromosomal phylogeny of the complex. In nature, hydrocarbon differences between species may be a device enabling the recognition of suitable mates. Studies showing that hydrocarbon dissimilarity is elevated between sympatric populations are also discussed in support of this theory.

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Naumov, Gl. "Genetic identification of biological species in theSaccharomyces sensu stricto complex." Journal of Industrial Microbiology & Biotechnology 17, no. 3-4 (September 1996): 295–302. http://dx.doi.org/10.1007/bf01574704.

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de Boer, A. J. "The phylogeny and taxonomic status of the Chlorocystini (sensu stricto) (Homoptera, Tibicinidae)." Bijdragen tot de Dierkunde 65, no. 4 (1995): 201–31. http://dx.doi.org/10.1163/26660644-06504001.

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The “Baeturia and related genera complex”, as defined earlier (De Boer, 1990) by shared aedeagal characters, is identified as the tribe Chlorocystini (sensu stricto). The Prasiini (sensu stricto) are identified as the sister group of the Chlorocystini (sensu stricto), while the genus Muda is recognized as the nearest outgroup. The phylogeny and biogeography of the sister group and outgroup is briefly discussed. Baeturia kuroiwae Matsumura is transferred to the genus Muda. A phylogenetic reconstruction of all 147 species of the Chlorocystini (sensu stricto) is presented, based on 154 characters and 409 character states. The computer program PAUP 3.1.1 (Swofford, 1993) was used for analysing the data; the genera Prasia and Muda were used as outgroups in this analysis. The results obtained from the computer analysis were slightly modified a posteriori, favouring some presumably phylogenetically important characters over strongly fluctuating ones. These final modifications were carried out with the aid of the computer program MacClade 3.0 (Maddison & Maddison, 1992). A complete data matrix and a list of characters and character states are given in an appendix; for descriptions and illustrations of these characters one is referred to previous publications.

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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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Lamprecht, S. C., Y. T. Tewoldemedhin, W. J. Botha, and F. J. Calitz. "Fusarium graminearum Species Complex Associated with Maize Crowns and Roots in the KwaZulu-Natal Province of South Africa." Plant Disease 95, no. 9 (September 2011): 1153–58. http://dx.doi.org/10.1094/pdis-02-11-0083.

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Thirty-three isolates of the Fusarium graminearum species complex obtained from diseased maize (Zea mays) crowns and roots in the Winterton district, KwaZulu-Natal province of South Africa were identified to species level. Their pathogenicity and virulence to maize ‘PHI 32D96B’ seedlings were determined under glasshouse conditions, with seedling survival and growth and crown and root rot as criteria. Phylogenetic analyses using the 3-O-acetyltransferase (Tri101) gene region sequences revealed the presence of F. boothii (2 isolates), F. graminearum sensu stricto (26 isolates), and F. meridionale (5 isolates) in the F. graminearum species complex associated with diseased maize crowns and roots. Pathogenicity results showed that F. boothii was the most and F. meridionale the least virulent of the three species. F. boothii and F. graminearum sensu stricto significantly reduced survival of seedlings and all three species caused significant reduction in growth and significantly more crown and root rot than the control (uninoculated). This is the first report of F. boothii, F. graminearum sensu stricto, and F. meridionale associated with diseased maize crowns and roots and their pathogenicity and virulence as soilborne pathogens on maize seedlings in South Africa.

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Agnes, Joseph T., Kelly A. Brayton, Megan LaFollett, Junzo Norimine, Wendy C. Brown, and Guy H. Palmer. "Identification ofAnaplasma marginaleOuter Membrane Protein Antigens Conserved betweenA. marginaleSensu Stricto Strains and the LiveA. marginalesubsp.centraleVaccine." Infection and Immunity 79, no. 3 (December 28, 2010): 1311–18. http://dx.doi.org/10.1128/iai.01174-10.

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ABSTRACTLive vaccination withAnaplasma marginalesubsp.centrale(synonym forAnaplasma centrale) induces protection against severe disease upon challenge withA. marginalesensu stricto strains. Despite over a century of field use, the targets of protective immunity remained unknown. Using a broad proteomic approach, we identified the proteins in a challenge sensu stricto strain that were bound by the relevant antibody isotype induced by live vaccination withAnaplasma marginalesubsp.centrale.A core of 15 proteins was identified in vaccinated animals across multiple major histocompatibility complex (MHC) haplotypes. This core separated into two structural/functional classes: “housekeeping” proteins involved in replication and metabolism and outer membrane proteins (OMPs). Orthologous proteins of both classes were identified within the vaccine strain and among sensu stricto strains. In contrast to the broad conservation among strains in the sequences of the housekeeping proteins, there was significantly greater divergence in the OMPs and greater divergence in both OMP sequences and the encoding locus structure between the vaccine strain and the sensu stricto strains than among the sensu stricto strains. The OMPs bound by live vaccine-induced antibody overlapped with OMPs that were immunogenic in animals vaccinated with inactivated vaccines and subsequently protected against bacteremia and disease. The identification of this core set of OMPs is consistent with the hypothesis that “subdominant” immunogens are required for vaccine-induced protection againstA. marginaleand provides clear direction for development of a safer, more effective vaccine.

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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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Hafez, Mohamed, Ahmed Abdelmagid, Lorne R. Adam, and Fouad Daayf. "Specific Detection and Identification of Fusarium graminearum Sensu Stricto Using a PCR-RFLP Tool and Specific Primers Targeting the Translational Elongation Factor 1α Gene." Plant Disease 104, no. 4 (April 2020): 1076–86. http://dx.doi.org/10.1094/pdis-03-19-0572-re.

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Fusarium graminearum is a toxigenic plant pathogen that causes Fusarium head blight (FHB) disease on cereal crops. It has recently shown to have cross-pathogenicity on noncereals (i.e., Fusarium root rot [FRR] on soybean) in Canada and elsewhere. Specific detection and differentiation of this potent toxigenic, trichothecene-producing pathogen among other closely related species is extremely important for disease control and mycotoxin monitoring. Here, we designed a PCR restriction fragment length polymorphism protocol based on the DNA sequence of the translational elongation factor 1α (TEF1α) gene. A unique restriction site to the enzyme HpaII is only found in F. graminearum sensu stricto strains among different Fusarium strains in the F. graminearum species complex (FGSC) and other Fusarium spp. associated with FHB in cereals and FRR in soybean. Partial amplification of the TEF1α gene with newly designed primers mh1/mh2 generated a 459-bp PCR fragment. Restriction digestion of the generated fragments with the HpaII enzyme generated a unique restriction pattern that can rapidly and accurately differentiate F. graminearum sensu stricto among all other Fusarium spp. A primer pair (FgssF/FgssR) specific to F. graminearum sensu stricto also was designed and can distinguish F. graminearum sensu stricto from all other Fusarium spp. in the FGSC and other closely related Fusarium spp. involved in FHB and FRR. This finding will be very useful for the specific detection of F. graminearum sensu stricto for diagnostic purposes as well as for the accurate detection of this pathogen in breeding and other research purposes.

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Soriano, S. V., N. B. Pierangeli, L. A. Pianciola, M. Mazzeo, L. E. Lazzarini, M. F. Debiaggi, H. F. J. Bergagna, and J. A. Basualdo. "The optimum cut-off value to differentiate Echinococcus granulosus sensu stricto from other species of E. granulosus sensu lato using larval rostellar hook morphometry." Journal of Helminthology 89, no. 1 (July 10, 2013): 1–8. http://dx.doi.org/10.1017/s0022149x13000473.

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AbstractCystic echinococcosis caused by Echinococcus granulosus sensu lato is one of the most important helminth zoonoses in the world; it affects both humans and livestock. The disease is endemic in Argentina and highly endemic in the province of Neuquén. Considerable genetic and phenotypic variation has been demonstrated in E. granulosus, and ten different genotypes (G1–G10) have been identified using molecular tools. Echinococcus granulosus sensu lato may be considered a species complex, comprised of E. granulosus sensu stricto (G1–G3), E. equinus (G4), E. ortleppi (G5) and E. canadensis (G6–G10). In endemic areas, the characterization of cystic echinococcosis molecular epidemiology is important in order to apply adequate control strategies. A cut-off value for larval large hook total length to distinguish E. granulosus sensu stricto isolates from those produced by other species of the complex was defined for the first time. Overall, 1780 larval hooks of 36 isolates obtained from sheep (n= 11, G1), goats (n= 10, G6), cattle (n= 5, G6) and pigs (n= 10, G7) were analysed. Validation against molecular genotyping as gold standard was carried out using the receiver operating characteristic (ROC) curve analysis. The optimum cut-off value was defined as 26.5 μm. The proposed method showed high sensitivity (97.8%) and specificity (91.1%). Since in most endemic regions the molecular epidemiology of echinococcosis includes the coexistence of the widely distributed E. granulosus sensu stricto G1 strain and other species of the complex, this technique could be useful as a quick and economical tool for epidemiological and surveillance field studies, when fertile cysts are present.

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Deng, Xi-Ling, Adrien Favre, Emily Moriarty Lemmon, Alan R. Lemmon, and Steffen U. Pauls. "Gene Flow and Diversification in Himalopsyche martynovi Species Complex (Trichoptera: Rhyacophilidae) in the Hengduan Mountains." Biology 10, no. 8 (August 23, 2021): 816. http://dx.doi.org/10.3390/biology10080816.

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The Hengduan Mountains are one of the most species-rich mountainous areas in the world. The origin and evolution of such a remarkable biodiversity are likely to be associated with geological or climatic dynamics, as well as taxon-specific biotic processes (e.g., hybridization, polyploidization, etc.). Here, we investigate the mechanisms fostering the diversification of the endemic Himalopsyche martynovi complex, a poorly known group of aquatic insects. We used multiple allelic datasets generated from 691 AHE loci to reconstruct species and RaxML phylogenetic trees. We selected the most reliable phylogenetic tree to perform network and gene flow analyses. The phylogenetic reconstructions and network analysis identified three clades, including H. epikur, H. martynovi sensu stricto and H. cf. martynovi. Himalopsyche martynovi sensu stricto and H. cf. martynovi present an intermediate morphology between H. epikur and H. viteceki, the closest known relative to the H. martynovi-complex. The gene flow analysis revealed extensive gene flow among these lineages. Our results suggest that H. viteceki and H. epikur are likely to have contributed to the evolution of H. martynovi sensu stricto and H. cf. martynovi via gene flow, and thus, our study provides insights in the diversification process of a lesser-known ecological group, and hints at the potential role of gene flow in the emergence of biological novelty in the Hengduan Mountains.

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Šoltésová, A., M. Špírek, A. Horváth, and P. Sulo. "Mitochondria—Tool for taxonomic identification of yeasts fromSaccharomyces sensu stricto complex." Folia Microbiologica 45, no. 2 (April 2000): 99–106. http://dx.doi.org/10.1007/bf02817406.

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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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