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Relevant bibliographies by topics / Homothallic

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Academic literature on the topic 'Homothallic'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Homothallic"

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Idnurm, Alexander. "Sex Determination in the First-Described Sexual Fungus." Eukaryotic Cell 10, no. 11 (2011): 1485–91. http://dx.doi.org/10.1128/ec.05149-11.

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ABSTRACTThe original report of sex in fungi dates 2 centuries ago to the speciesSyzygites megalocarpus(Mucoromycotina). The organism was subsequently used in 1904 to represent self-fertile homothallic species when the concepts of heterothallism and homothallism were developed for the fungal kingdom. In this study, two putativesex/MATloci were identified in individual strains ofS. megalocarpus, accounting for its homothallic behavior. The strains encode both of the high-mobility-group domain-containing proteins, SexM and SexP, flanked by RNA helicase and glutathione oxidoreductase genes that ar

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Fox, Raymond D., and George J. Wong. "Homothallism and heterothallism in Tremella fuciformis." Canadian Journal of Botany 68, no. 1 (1990): 107–11. http://dx.doi.org/10.1139/b90-015.

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Nine stocks of Tremella fuciformis were determined to be homothallic or heterothallic. All stocks from Hawaii and the single stock from Panama were homothallic and fruited in single-spore cultures, Heterothallic stocks were obtained from Florida, Louisiana, and New Zealand, and were determined to have a modified bifactorial mating pattern in which two A alleles and multiple B alleles were identified. Among the heterothallic stocks, compatibility was observed between the Louisiana and the Florida stocks and between the Louisiana and the New Zealand stocks. However, the Florida and New Zealand s

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Chase, Thomas E., Robert C. Ullrich, and Kari Korhonen. "Homothallic Isolates ofHeterobasidion Annosum." Mycologia 77, no. 6 (1985): 975–77. http://dx.doi.org/10.1080/00275514.1985.12025189.

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Klix, V., M. Nowrousian, C. Ringelberg, J. J. Loros, J. C. Dunlap, and S. Pöggeler. "Functional Characterization of MAT1-1-Specific Mating-Type Genes in the Homothallic Ascomycete Sordaria macrospora Provides New Insights into Essential and Nonessential Sexual Regulators." Eukaryotic Cell 9, no. 6 (2010): 894–905. http://dx.doi.org/10.1128/ec.00019-10.

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ABSTRACT Mating-type genes in fungi encode regulators of mating and sexual development. Heterothallic ascomycete species require different sets of mating-type genes to control nonself-recognition and mating of compatible partners of different mating types. Homothallic (self-fertile) species also carry mating-type genes in their genome that are essential for sexual development. To analyze the molecular basis of homothallism and the role of mating-type genes during fruiting-body development, we deleted each of the three genes, SmtA-1 (MAT1-1-1), SmtA-2 (MAT1-1-2), and SmtA-3 (MAT1-1-3), containe

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Orona, C. A. López, A. R. Martínez, T. T. Arteaga, et al. "First Report of Homothallic Isolates of Phytophthora infestans in Commercial Potato Crops (Solanum tuberosum) in the Toluca Valley, Mexico." Plant Disease 97, no. 8 (2013): 1112. http://dx.doi.org/10.1094/pdis-10-12-0962-pdn.

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Phytophthora infestans causes severe symptoms of wilt disease on potato crops (Solanum tuberosum) in the Toluca Valley (Mexico) despite the use of fungicides. P. infestans oospores produced by sexual reproduction can survive in the soil for many years, resisting harsh environments. In many agroecosystems, oospores germinate in the beginning of a season, which represents the initial inoculum for epidemics. The sexual cycle of the pathogen allows the generation of recombinant genotypes that can be more pathogenic or even resistant to chemicals. This paper presents a study of 20 isolates of P. in

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Raj, Chandramani, and Rajan Sharma. "Sexual Compatibility Types in F1 Progenies of Sclerospora graminicola, the Causal Agent of Pearl Millet Downy Mildew." Journal of Fungi 8, no. 6 (2022): 629. http://dx.doi.org/10.3390/jof8060629.

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Sclerospora graminicola is primarily heterothallic in nature with two distinct mating types (G1 and G2); however, homothallism does exist in the pathogen populations. In this study, a cross was made between two self-sterile isolates (Sg 019, Mat-2, G2 × Sg 445-1, Mat-1, G1) of S. graminicola and a total of 39 F1 progenies were established. The study on sexual compatibility types in F1 progenies was conducted by crossing each F1 progeny with both the parents (Sg 445-1, Mat-1, G1; and Sg 019, Mat-2, G2). The results revealed the presence of four sexual compatibility types, viz. G1, G2, G1G2 and

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Chase, Thomas E., Robert C. Ullrich, and Kari Korhonen. "Homothallic Isolates of Heterobasidion annosum." Mycologia 77, no. 6 (1985): 975. http://dx.doi.org/10.2307/3793312.

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Yamamoto, Kayoko, Takashi Hamaji, Hiroko Kawai-Toyooka, et al. "Three genomes in the algal genus Volvox reveal the fate of a haploid sex-determining region after a transition to homothallism." Proceedings of the National Academy of Sciences 118, no. 21 (2021): e2100712118. http://dx.doi.org/10.1073/pnas.2100712118.

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Transitions between separate sexes (dioecy) and other mating systems are common across eukaryotes. Here, we study a change in a haploid dioecious green algal species with male- and female-determining chromosomes (U and V). The genus Volvox is an oogamous (with large, immotile female gametes and small, motile male gametes) and includes both heterothallic species (with distinct male and female genotypes, associated with a mating-type system that prevents fusion of gametes of the same sex) and homothallic species (bisexual, with the ability to self-fertilize). We date the origin of an expanded se

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Hendrayanti, Dian, Talzo Motomura, and Terunobu Ichimura. "Sexual reproduction of a homothallic alga, Closterium wallichii." Algological Studies/Archiv für Hydrobiologie, Supplement Volumes 104 (March 28, 2002): 139–44. http://dx.doi.org/10.1127/algol_stud/104/2002/139.

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Grognet, Pierre, and Philippe Silar. "Maintaining heterokaryosis in pseudo-homothallic fungi." Communicative & Integrative Biology 8, no. 4 (2015): e994382. http://dx.doi.org/10.4161/19420889.2014.994382.

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Dissertations / Theses on the topic "Homothallic"

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Vellani, Trina Sehar. "Positional regulation and evolution of mating type genes in heterothallic and homothallic species of Neurospora." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ34640.pdf.

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Yamamoto, Kayoko, Hiroko Kawai-Toyooka, Takashi Hamaji, et al. "Molecular evolutionary analysis of a gender-limited MID ortholog from the homothallic species Volvox africanus with male and monoecious spheroids." PUBLIC LIBRARY SCIENCE, 2017. http://hdl.handle.net/10150/625192.

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Volvox is a very interesting oogamous organism that exhibits various types of sexuality and/or sexual spheroids depending upon species or strains. However, molecular bases of such sexual reproduction characteristics have not been studied in this genus. In the model species V. carteri, an ortholog of the minus mating type-determining or minus dominance gene (MID) of isogamous Chlamydomonas reinhardtii is male-specific and determines the sperm formation. Male and female genders are genetically determined (heterothallism) in V. carteri, whereas in several other species of Volvox both male and fem

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Dunne, Christopher P. "The homothallic behaviour and other nuclear patterns of Armillaria luteobubalina isolates from the coastal dune system and eucalyptus wandoo woodland in South-Western Australia." Thesis, Dunne, Christopher P. (1999) The homothallic behaviour and other nuclear patterns of Armillaria luteobubalina isolates from the coastal dune system and eucalyptus wandoo woodland in South-Western Australia. Honours thesis, Murdoch University, 1999. https://researchrepository.murdoch.edu.au/id/eprint/32808/.

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Armillaria luteobubalina Watling & Kile is a common and destructive primary pathogen in a number of plant species. The pathogen is widely distributed in the wet sclerophyll forest, dry sclerophyll forest and woodland, and the coastal dune system in south-western Australia. The current study was conducted to _determine the nuclear behaviour during the life cycle and the spatial distribution of genotypes within disease centres. Basidiomes were collected from two disease centres: one in the coastal dune system; and the other from the Eucalyptus wandoo Blakey woodland. Monosporous isolates, putati

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Schulz, Emilia [Verfasser], Johannes [Gutachter] Wöstemeyer, Ralf [Gutachter] Oelmüller, and Paul [Gutachter] Galland. "Molekulare Physiologie und Genetik der Homothallie bei Zygomyceten / Emilia Schulz ; Gutachter: Johannes Wöstemeyer, Ralf Oelmüller, Paul Galland." Jena : Friedrich-Schiller-Universität Jena, 2017. http://d-nb.info/1177597594/34.

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Strandberg, Rebecka. "On the Evolution of Reproductive Systems in Neurospora." Doctoral thesis, Uppsala universitet, Institutionen för ekologi och genetik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-167875.

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The aim of this thesis was to study the evolution of reproductive systems and reproductive traits in the fungal genus Neurospora. More specifically, I have investigated the evolutionary forces shaping the genes involved in sexual reproduction, focusing on mating-type (mat) and pheromone receptor (pre) genes. Neurospora contains species exhibiting three different mating systems, i.e., heterothallism (self-incompatibility), homothallism (self-compatibility) and pseudohomothallism (partial self-incompatibility). First, a robust phylogeny of Neurospora was established. The phylogenetic analyses re

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Almeida, Ludimila Dias 1991. "Regulação da transcrição gênica e bases moleculares do desenvolvimento sexual homotálico do fungo Moniliophthora perniciosa." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/316755.

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Orientador: Gonçalo Amarante Guimarães Pereira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-26T17:23:36Z (GMT). No. of bitstreams: 1 Almeida_LudimilaDias_M.pdf: 4371531 bytes, checksum: 15deaceac3a09118222822415b70daaf (MD5) Previous issue date: 2015<br>Resumo: O ciclo sexual de basidiomicetos é controlado pelo sistema mating type. Este é formado por dois loci multigênicos não ligados A e B, o locus A codifica duas proteínas homeodomínio HD1 e HD2, capazes de heterodimerização, enquanto o locus B apresenta genes p

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Vellani, Trina (Tia) Sehar. "Positional regulation and evolution of mating type genes in heterothallic and homothallic species of neurospora." Thesis, 1998. http://hdl.handle.net/2429/9604.

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The mating type genes of Neurospora crassa were shown to function abnormally when located at ectopic chromosomal positions. Crosses involving strains with ectopic mating type genes produce defective perithecia. Ascus number is reduced. The hypothesis that perithecial development requires physical proximity of opposite mating type homologs during meiosis was tested. The sterility of the crosses made between strains with both mating type regions relocated to the same ectopic position failed to support the hypothesis. To test the hypothesis that normal expression levels of the mating type g

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Beatty, Nicholas P. "Homothallism in the Sordariaceae : Mating-type loci in selected species of Neurospora, Anixiella, and Gelasinospora." Thesis, 1993. http://hdl.handle.net/2429/1264.

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The mating-type genes in Neurospora crassa, called "idiomorphs" and designated A and "a", control entry into the sexual cycle and aspects of meiosis. In heterothallic species, nuclei with unlike mating-types must come together before karyogamy and meiosis can occur. Homothallic species, however, can enter the sexual cycle spontaneously and without a mating event per se. Two homothallic classes exist in Neurospora, those with only the A-specific sequence (the majority) and those with both the A-specific and "a"-specific sequence (Neurospora terricola). Neurospora terricola and a number of homot

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Lopes, Anabela Rodrigues. "Diversity, cryptic species and sexual strategies in fungi of the order Botryosphaeriales." Doctoral thesis, 2018. http://hdl.handle.net/10773/24031.

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Members of Botryosphaeriales are associated to numerous woody plants all over the world as endophytes or pathogens. From all families composing the order, the Botryosphaeriaceae is the oldest and the largest, containing several genera of relevant phytopathogens. Although it is a fundamental step towards studies on epidemiology and control of a plant disease, correct identification of species in the Botryosphaeriaceae is commonly problematic due to the existence of cryptic species complexes defined by the overlapping of morphological features. Thus, the development of tools to clearly delimit s

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Palma, Márcia Cristina David. "Elucidating the mating system of Phaffia rhodozyma, an astaxanthin-producing yeast with biotechnological potential." Doctoral thesis, 2017. http://hdl.handle.net/10362/21994.

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In fungi belonging to the phylum Basidiomycota, sexual identity is usually determined by two genetically unlinked MAT loci, one named PR locus, which encodes one or more pheromone receptors (Ste3) and pheromone precursors (Mfa), and the other, named HD locus, that comprehends at least one pair of divergently transcribed genes encoding homeodomain transcription factors (HD1 and HD2). The two MAT loci work as two distinct mating compatibility check points. Most basidiomycete species are heterothallic, meaning that sexual reproduction requires mating between two sexually compatible individuals ha

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Books on the topic "Homothallic"

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Rama, Raymund Antonio. The role of calcium, calmodulin and the visualization of calmodulin binding proteins during sexual development in the homothallic dictyostelium strains AC4 and ZA3A. National Library of Canada, 1993.

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Book chapters on the topic "Homothallic"

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Pöggeler, Stefanie. "MAT and Its Role in the Homothallic Ascomycete Sordaria macrospora." In Sex in Fungi. ASM Press, 2014. http://dx.doi.org/10.1128/9781555815837.ch10.

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Nielsen, Olaf, and Richard Egel. "The mat Genes of Schizosaccharomyces pombe: Expression, Homothallic Switch, and Silencing." In Sex in Fungi. ASM Press, 2014. http://dx.doi.org/10.1128/9781555815837.ch8.

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Lin, Xiaorong, and Joseph Heitman. "Mechanisms of Homothallism in Fungi and Transitions between Heterothallism and Homothallism." In Sex in Fungi. ASM Press, 2014. http://dx.doi.org/10.1128/9781555815837.ch3.

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Velasco-Lozano, Susana, Tania Volke-Sepulveda, and Ernesto Favela-Torres. "Lipases Production by Solid-State Fermentation: The Case of Rhizopus homothallicus in Perlite." In Lipases and Phospholipases. Humana Press, 2012. http://dx.doi.org/10.1007/978-1-61779-600-5_14.

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Magwene, Paul M. "Revisiting Mortimer’s Genome Renewal Hypothesis: Heterozygosity, Homothallism, and the Potential for Adaptation in Yeast." In Advances in Experimental Medicine and Biology. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-7347-9_3.

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Oakley, B. R., and S. A. Osmani. "Cell-Cycle Analysis Using The Filamentous Fungus Aspergillus Nidulans." In The Cell Cycle. Oxford University PressOxford, 1994. http://dx.doi.org/10.1093/oso/9780199633951.003.0006.

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Abstract The filamentous fungus Aspergillus nidulans has proved to be an excellent experimental system for the identification, isolation, and analysis of genes that are essential lo cell-cycle progression and regulation. Studies in A. nidulans have led to the discovery of several key elements of cell-cycle progression and regulation that were not first identified in other experimental systems (1). It is a homothallic ascomycetous fungus that has both a sexual and an asexual life cycle (Figure 1). The classical genetics and molecular genetics of A. nidulans have been previously described (2) an

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"Homothallism." In Encyclopedia of Genetics, Genomics, Proteomics and Informatics. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6754-9_7811.

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