Relevant bibliographies by topics / Dwarf Mutants

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  2. Dissertations / Theses
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Academic literature on the topic 'Dwarf Mutants'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Dwarf Mutants"

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Bartlett, J. M. S., H. M. Charlton, I. C. A. F. Robinson, and E. Nieschlag. "Pubertal development and testicular function in the male growth hormone-deficient rat." Journal of Endocrinology 126, no. 2 (1990): 193–201. http://dx.doi.org/10.1677/joe.0.1260193.

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ABSTRACT The pubertal development of a novel GH-deficient mutant, the dwarf rat, has been evaluated. The establishment of normal spermatogenic function within small testes suggests that GH plays no role in spermatogenic function during puberty and adult life. However, a reduction in testicular size may reflect a reduced Sertoli cell population, suggesting that GH may be of importance in prepubertal testicular development. Furthermore, marked differences between the homozygous dwarf rat and homozygous GH-deficient mouse mutants (e.g. Snell, Ames, pygmy and little mutants) have been demonstrated
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Buss, Wolfram, Brett A. Ford, Eloise Foo, et al. "Overgrowth mutants determine the causal role of gibberellin GA2oxidaseA13 in Rht12 dwarfism of wheat." Journal of Experimental Botany 71, no. 22 (2020): 7171–78. http://dx.doi.org/10.1093/jxb/eraa443.

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Abstract The induced dwarf mutant Rht12 was previously shown to have agronomic potential to replace the conventional DELLA mutants Rht-B1b/Rht-D1b in wheat. The Rht12 dwarfing gene is not associated with reduced coleoptile length (unlike the DELLA mutants) and it is dominant, characteristics which are shared with the previously characterized dwarfing genes Rht18 and Rht14. Using the Rht18/Rht14 model, a gibberellin (GA) 2-oxidase gene was identified in the Rht12 region on chromosome 5A. A screen for suppressor mutants in the Rht12 background identified tall overgrowth individuals that were sho
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Lu, Shaoyun, Zhongcheng Wang, Yuejing Niu, Zhenfei Guo, and Bingru Huang. "Antioxidant Responses of Radiation-induced Dwarf Mutants of Bermudagrass to Drought Stress." Journal of the American Society for Horticultural Science 133, no. 3 (2008): 360–66. http://dx.doi.org/10.21273/jashs.133.3.360.

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Improving the drought tolerance of widely used bermudagrass [Cynodon dactylon (L.) Pers. var. dactylon] is important for water conservation and producing quality turf with limited irrigation. Mutants of bermudagrass were generated using gamma-ray irradiation with an aim toward developing dwarf and drought-resistant bermudagrass. The objectives of this study were to compare morphological characteristics between radiation-induced mutants and the wild-type of bermudagrass and to determine antioxidant responses associated with changes in drought resistance in the bermudagrass mutants. Three mutant
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K. M. Hasib, K. M. Hasib. "Induction of Chlorophyll and Morphological Mutations through Gamma Ray in Traditional Aromatic Cultivar Tulaipanja." Biosciences Biotechnology Research Asia 19, no. 3 (2022): 767–72. http://dx.doi.org/10.13005/bbra/3029.

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The induced mutation of the traditional aromatic cultivar may provide useful alternative or complement to natural variation which may be used directly in mutation breeding or as a source of germ plasm in hybridization programme. Induced mutations irradiated through gamma ray in aromatic cultivar Tulaipanja were studied for chlorophyll and other morphological characters in the M2 generation. The frequency of chlorophyll mutations was high in higher doses. Among the chlorophyll mutants studied, albina was the most frequent, followed by alboxantha, alboviridis, xantha, viridis and striata. The mu
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Kumar, C. R. A., and Rangasamy S. R. Sree. "Dominant Dwarf Mutants in Rice Induced with Fractionated Dose of Gamma Rays." International Rice Research Newsletter 12, no. 4 (1987): 5–6. https://doi.org/10.5281/zenodo.7123115.

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This article 'Dominant Dwarf Mutants in Rice Induced with Fractionated Dose of Gamma Rays' appeared in the International Rice Research Newsletter series, created by the International Rice Research Institute (IRRI). The primary objective of this publication was to expedite communication among scientists concerned with the development of improved technology for rice and for rice based cropping systems. This publication will report what scientists are doing to increase the production of rice in as much as this crop feeds the most densely populated and land scarce nations in the world.
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Xiong, Hongchun, Huijun Guo, Yongdun Xie, et al. "Enhancement of dwarf wheat germplasm with high-yield potential derived from induced mutagenesis." Plant Genetic Resources: Characterization and Utilization 16, no. 1 (2016): 74–81. http://dx.doi.org/10.1017/s1479262116000459.

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AbstractThe dwarfing wheat (Triticum aestivum L.) breeding has promoted a dramatic increase in yields. Since the utilized dwarfing genes in wheat are very limited, identification of novel dwarfing genes is necessary for improving the genetic diversity of wheat. In this study, more than 300 dwarfing wheat lines from induced mutation were screened by kompetitive allele-specific PCR and gibberellin (GA) treatment. The 17.49% of Rht-D1b and 1.37% of Rht-B1b dwarfing mutants were identified in this mutant group. Additionally, Rht-D1b mutants showed more effective in reduction of plant height and hi
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Jung, Yu Jin, Jong Hee Kim, Hyo Ju Lee, et al. "Generation and Transcriptome Profiling of Slr1-d7 and Slr1-d8 Mutant Lines with a New Semi-Dominant Dwarf Allele of SLR1 Using the CRISPR/Cas9 System in Rice." International Journal of Molecular Sciences 21, no. 15 (2020): 5492. http://dx.doi.org/10.3390/ijms21155492.

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The rice SLR1 gene encodes the DELLA protein (protein with DELLA amino acid motif), and a loss-of-function mutation is dwarfed by inhibiting plant growth. We generate slr1-d mutants with a semi-dominant dwarf phenotype to target mutations of the DELLA/TVHYNP domain using CRISPR/Cas9 genome editing in rice. Sixteen genetic edited lines out of 31 transgenic plants were generated. Deep sequencing results showed that the mutants had six different mutation types at the target site of the TVHYNP domain of the SLR1 gene. The homo-edited plants selected individuals without DNA (T-DNA) transcribed by s
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M. T., Andrew-Peter-Leon, S. Ramchander, Kumar K. K., Mehanathan Muthamilarasan, and M. Arumugam Pillai. "Assessment of efficacy of mutagenesis of gamma-irradiation in plant height and days to maturity through expression analysis in rice." PLOS ONE 16, no. 1 (2021): e0245603. http://dx.doi.org/10.1371/journal.pone.0245603.

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Introduction of semi-dwarfism and early maturity in rice cultivars is important to achieve improved plant architecture, lodging resistance and high yield. Gamma rays induced mutations are routinely used to achieve these traits. We report the development of a semi-dwarf, early maturing and high-yielding mutant of rice cultivar ‘Improved White Ponni’, a popular cosmopolitan variety in south India preferred for its superior grain quality traits. Through gamma rays induced mutagenesis, several mutants were developed and subjected to selection up to six generations (M6) until the superior mutants w
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Yu, M. H. "Genetic analysis of the dwarf curly leaf tomato mutant via hybridization with Curl and dwarf mutants." Genome 32, no. 3 (1989): 359–64. http://dx.doi.org/10.1139/g89-455.

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The characteristics of the dwarf curly leaf tomato (Lycopersicon esculentum Mill.) mutant, cu-3, were investigated via hybridization with the Curl, Cu, and dwarf, dcr, mutants. When Cu plants were crossed to cu-3 or dcr parents, F1 plants expressed the Cu phenotype, whereas two parental and two nonparental types were present in each F2. The transgressive groups were the wild type (+), which developed normal expanded leaves, and the midvein-invisible type (MI), which developed extremely distorted curly leaves. Crosses between cu-3 and dcr plants produced nonparental wild-type plants in F1, and
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Mullainathan, L., and T. Aruldoss. "Effect of Gamma Rays in Induced Morphological Mutants on M2 Generation of Chilli (Capsicum annuum L.) Var K1." International Letters of Natural Sciences 30 (December 2014): 19–24. http://dx.doi.org/10.18052/www.scipress.com/ilns.30.19.

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The present study was carried out to induce morphological mutation in chilli (Capsicum annuum L.) var k1. The seeds were subjected to different treatment levels of gamma rays are 20, 30, 40, 50, 60 and 70Kr along with control. The treated and untreated seeds were raised in a randomized block design to observe the different morphological characters in M2 generation. Several unique and interesting mutants were isolated in this investigation, these independent mutants have differ from control, the most distinct mutants included tall, dwarf, bushy, flower, sterile and pod mutant, was observed in M
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Dissertations / Theses on the topic "Dwarf Mutants"

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Choe, Sunghwa. "Genetics and biology of Arabidopsis brassinosteroid dwarf mutants." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/298758.

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Brassinosteroids (BRs) have long been known to be effective in plant growth promotion. However, definitive evidence of BR's role in growth stimulation has remained unclear. Recently, genetic approaches using BR-deficient dwarf(dwf) mutants have begun to unravel the role of BRs in plant growth and development. BR dwarf mutants are characterized by multiple growth alterations: robust stem, reduced fertility, prolonged life cycle, dark-green appearance, round and curled leaves, and when grown in the dark, short hypocotyls and expanded cotyledons. Genetic analysis of the dwf mutants defined eight
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Mani, Dhananjay. "Characterization and genetic analysis of a very high tillering and dwarf rice (Oryza sativa L.) mutant." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3042.

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Jolivet, Katell. "Cloning and characterisation of LDW1, an Arabidopsis thaliana mutant displaying a lesion-mimic, dwarf phenotype." Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405621.

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Rebella, Gregory S. "Skeletal muscle collagen alterations induced by recombinant human growth hormone (rhGH) in the mutant dwarf rat." 1996. http://catalog.hathitrust.org/api/volumes/oclc/36400373.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1996.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 56-61).
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Books on the topic "Dwarf Mutants"

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Joint FAO/IAEA Division of Isotope and Radiation Applications of Atomic Energy for Food and Agricultural Development., ed. Semi-dwarf cereal mutants and their use in cross-breeding III: Proceedings of the final research co-ordination meeting on evaluation of semi-dwarf cereal mutants for cross breeding. International Atomic Energy Agency, 1988.

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Book chapters on the topic "Dwarf Mutants"

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Choudhary, Shashi Bhushan, Anjay Kumar Jambhulkar, Hariom Kumar Sharma, A. Anil Kumar, Neetu Kumari, and Dileep Kumar. "Gamma-ray induced pedigreed mutant population of tossa jute (Corchorus olitorius L.): a key resource for forward and reverse genetics." In Mutation breeding, genetic diversity and crop adaptation to climate change. CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0048.

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Abstract Narrow genetic diversity in available germplasm is a serious limiting factor for academic progress and agronomic improvement of crops like Corchorus olitorius, an economically important bast fibre crop. Mutation breeding, with its proven ability to improve qualitative as well as quantitative traits, can be employed to augment germplasm diversity. In the present study, gamma-rays were used to treat the seeds of two promising varieties, JRO 204 and JRO 8432; LD50 doses for gamma-rays were 200 Gy and 300 Gy for JRO 204 and JRO 8432, respectively. Irradiation of two varieties has resulted
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Phinney, B. O., and C. R. Spray. "Dwarf Mutants of Maize — Research Tools for the Analysis of Growth." In Plant Growth Substances 1988. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74545-4_7.

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Phinney, B. O., M. Freeling, D. S. Robertson, C. R. Spray, and J. Silverthorne. "Dwarf Mutants in Maize — The Gibberellin Biosynthetic Pathway and its Molecular Future." In Proceedings in Life Sciences. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-71018-6_7.

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Forster, B. P. "Mutation genetics of salt tolerance in barley: an assessment of Golden Promise and other semi-dwarf mutants." In Mutations, In Vitro and Molecular Techniques for Environmentally Sustainable Crop Improvement. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-015-9996-2_1.

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Nakagawa, Hitoshi. "History of mutation breeding and molecular research using induced mutations in Japan." In Mutation breeding, genetic diversity and crop adaptation to climate change. CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0003.

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Abstract Following the construction of the Gamma Field at the Institute of Radiation Breeding in 1960, mutation breeding was accelerated in Japan. The facility is used, with a radiation dose up to 2 Gy/day (ca. 300,000 times that of natural background), to induce mutations at a higher frequency than occurs in nature. There have been 318 direct- use mutant cultivars representing 79 species generated through irradiation of gamma-rays, X-rays, ion beams and chemicals and somaclonal variation. Approximately 79% of these direct-use cultivars were induced by radiation. There have been 375 indirect-u
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Kumar, Vikash, Anjali Chauhan, Avinash Kumar Shinde, Ramesh L. Kunkerkar, Deepak Sharma, and Bikram Kishore Das. "Mutation breeding in rice for sustainable crop production and food security in India." In Mutation breeding, genetic diversity and crop adaptation to climate change. CABI, 2021. http://dx.doi.org/10.1079/9781789249095.0009.

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Abstract With the inevitable risk posed by global climate change affecting crop yield and the ever-increasing demands of agricultural produce, crop improvement techniques need to be more precise in developing smart crop varieties. The rice crop, a staple food for the majority of the world population, has a significant role to play in alleviating the global hunger problem. With the world population burgeoning at an unprecedented rate, limited fertile land resources, climate change, emerging new races of pests and diseases and consumer preferences for quality attributes, it is imperative to incr
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FUTSUHARA, Y. "DEVELOPMENTAL GENETIC STUDIES ON INDUCED DWARF MUTANTS IN RICE." In Rice Genetics Collection. World Scientific Publishing Company, 2008. http://dx.doi.org/10.1142/9789812814265_0024.

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Tobina, H., S. Uozu, M. Matsuoka, H. Kitano, and K. Hattori. "Gene expression pattern of cell division/elongation factors in rice dwarf mutants." In Advances in Rice Genetics. World Scientific Publishing Company, 2008. http://dx.doi.org/10.1142/9789812814319_0177.

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Conference papers on the topic "Dwarf Mutants"

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Маковей, Милания, та Анатолий Ганя. "Разнородность мутантной коллекции томата по типу роста и габитусу растений". У VIIth International Scientific Conference “Genetics, Physiology and Plant Breeding”. Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2021. http://dx.doi.org/10.53040/gppb7.2021.61.

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The article presents the results of studying a mutant collection of tomato by the nature of the man-ifestation of such economically valuable traits as the type of growth and habit of plants. Shown high dif-ferentiation between mutants samples, 6 varieties were identified by the type of plant growth: 1. indeter-minate (32.2%), 2. semi-determinant (10.4%), 3. determinant (33.6%), 4. super-determinant (15.6%), 5. dwarfs (21.7%), and 6. columnar (0.008%). Indeterminate and determinant types are subdivided into subtypes: a) indeterminate ordinary and indeter-minate standard; b) determinant ordinary
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Reports on the topic "Dwarf Mutants"

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Grafi, Gideon, and Brian Larkins. Endoreduplication in Maize Endosperm: An Approach for Increasing Crop Productivity. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7575285.bard.

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The focus of this research project is to investigate the role of endoreduplication in maize endosperm development and the extent to which this process contributes to high levels of starch and storage protein synthesis. Although endoreduplication has been widely observed in many cells and tissues, especially those with high levels of metabolic activity, the molecular mechanisms through which the cell cycle is altered to produce consecutive cycles of S-phase without an intervening M-phase are unknown. Our previous research has shown that changes in the expression of several cell cycle regulatory
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