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Dissertations / Theses on the topic 'Oryza sativa japonica'

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Published: 18 April 2022

Last updated: 30 July 2025

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1

Lima, Júlio César de. "Ferritina : silenciamento gênico, caracterização molecular de mutantes e expressão em plantas de arroz (Oryza sativa L. ssp. japonica cv Nipponbare)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/15470.

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O ferro é um micronutiente essencial em plantas, como também para praticamente todos os demais organismos. Porém, as formas livres de ferro intracelular podem ser extremamente danosas. A proteína ferritina tem papel crucial neste contexto, com a função de acumular ferro de uma forma segura e biodisponível. Cada proteína pode acumular aproximadamente 4500 átomos de ferro em sua cavidade interna. Em plantas, existe um número variado de cópias gênicas para ferritina e estas cópias têm expressão modulada por fatores bióticos e abióticos. No genoma do arroz foram caracterizadas duas cópias para o g

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2

Finatto, Taciane. "Análise transcriptômica de genes e LTR retrotransposons em arroz (Oryza sativa ssp. japonica) em resposta à toxidez por ferro." Universidade Federal de Pelotas, 2012. http://repositorio.ufpel.edu.br/handle/ri/2064.

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Made available in DSpace on 2014-08-20T14:06:12Z (GMT). No. of bitstreams: 1 tese_taciane_finatto.pdf: 5834731 bytes, checksum: e10f781234d54582cc17a9b8dff16c53 (MD5) Previous issue date: 2012-02-27<br>Iron toxicity in plants is associated with the presence of large concentrations of reduced iron (Fe2+) in the soil solution, which occurs in flooded soils and affects rice plants grown under this condition. Symptoms of iron toxicity involve oxidative stress in leaves, as a response to excessive Fe2+ absorption by the roots. The responses of plants to stress conditions include stimulus percep

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Maia, Luciano Carlos da. "Desenvolvimento de ferramenta e análise in silico da ocorrência de microssatélites no genoma do arroz." Universidade Federal de Pelotas, 2007. http://repositorio.ufpel.edu.br/handle/ri/2082.

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Made available in DSpace on 2014-08-20T14:06:15Z (GMT). No. of bitstreams: 1 Dissertacao_Luciano_Carlos_da_Maia.pdf: 2299013 bytes, checksum: 1ea0e6e151a64a565fee2caf64a2b9d7 (MD5) Previous issue date: 2007-04-05<br>The classic plant breeding methods are responsible for the major advances of modern agriculture. However, molecular biology and genomic techniques have provided insights into how further advance in genetic gains. Molecular markers have been successfully applied in genetic mapping and marker assisted selection in many plant species. Rice after the complete sequence of its ge

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Rizzi, Vanessa. "Diversidade, estruturação genética e mapeamento associativo em germoplasma japonês de arroz utilizando marcadores DArT-seq." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/11/11137/tde-20032018-111547/.

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O conhecimento da diversidade genética e da estrutura populacional das variedades mantidas em bancos de germoplasma é de fundamental importância para sua efetiva utilização em programas de melhoramento. O mapeamento por associação, também conhecido como mapeamento por desequilíbrio de ligação, é um dos principais métodos para relacionar genes e alelos às características de interesse, através da co-segregação de marcadores genéticos polimórficos com os genes envolvidos na variação das características em estudo. O Banco de Germoplasma de Arroz do Departamento de Genética da ESALQ contém 192 aces

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Orasen, G. "GENOME-WIDE ANALYSIS OF JAPONICA RICE PERFORMANCES UNDER ALTERNATE WETTING AND DRYING AND PERMANENT FLOODING CONDITIONS." Doctoral thesis, Università degli Studi di Milano, 2018. http://hdl.handle.net/2434/544806.

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A rice GWAS panel of 281 accessions of japonica rice was phenotypically characterized for traits related to phenology, plant and seed morphology, physiology, yield and grain ionome for two years in field conditions under permanent flooding (PF) or AWD. A genome-wide analysis approach uncovered a total of 360 significant marker-trait associations (MTAs), of which 105 were AWD-specific, 178 were PF-specific and 77 were in common between the two water management systems. AWD-specific associations were identified for several agronomic traits including days to maturation, days from flowering to mat

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6

Lu, Chuangen. "Survey and Application of Segregation-Distortion-Neutral Alleles to Improve Pollen Fertility in indica-japonica Hybrid Rice Breeding (Oryza sativa L.)." Kyoto University, 2000. http://hdl.handle.net/2433/181072.

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7

Silva, Pedro Italo Tanno. "Descoberta e validação de marcadores SNPs por sequenciamento de alta performance do genoma estrutural e por genotipagem por sequenciamento (GBS) de arroz de sequeiro (Oryza sativa spp. japonica)." reponame:Repositório Institucional da UnB, 2012. http://repositorio.unb.br/handle/10482/14647.

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Dissertação (mestrado)—Universidade de Brasília, Instituto de Ciências Biológicas, Departamento de Biologia Celular, 2012.<br>Submitted by Alaíde Gonçalves dos Santos (alaide@unb.br) on 2013-11-12T10:51:17Z No. of bitstreams: 1 2012_PedroItaloTannoSilva.pdf: 4395558 bytes, checksum: 0349f90349bbe21252b45be2ddf9d52a (MD5)<br>Approved for entry into archive by Guimaraes Jacqueline(jacqueline.guimaraes@bce.unb.br) on 2013-11-20T12:34:15Z (GMT) No. of bitstreams: 1 2012_PedroItaloTannoSilva.pdf: 4395558 bytes, checksum: 0349f90349bbe21252b45be2ddf9d52a (MD5)<br>Made available in DSpace on 2013-11

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Silva, Daniany Rodrigues Adorno. "Análise de qtl para produtividade no cruzamento de arroz epagri 108 (indica) x irat 122 (japonica) por marcadores SNPs." Universidade Federal de Goiás, 2016. http://repositorio.bc.ufg.br/tede/handle/tede/6173.

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Submitted by Marlene Santos (marlene.bc.ufg@gmail.com) on 2016-09-09T20:17:53Z No. of bitstreams: 2 Dissertação - Daniany Rodrigues Adorno Silva - 2016.pdf: 3317454 bytes, checksum: 2a1e85ca0c09e0b89edfaf2b184ee8e7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-09-12T14:20:21Z (GMT) No. of bitstreams: 2 Dissertação - Daniany Rodrigues Adorno Silva - 2016.pdf: 3317454 bytes, checksum: 2a1e85ca0c09e0b89edfaf2b184ee8e7 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8

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Maia, Luciano Carlos da. "Caracterização in silico de microssatélites no genoma do arroz e análise comparativa com outras espécies vegetais." Universidade Federal de Pelotas, 2009. http://repositorio.ufpel.edu.br/handle/ri/1180.

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Made available in DSpace on 2014-08-20T13:25:42Z (GMT). No. of bitstreams: 1 Tese_Luciano_Carlos_da_Maia.pdf: 871025 bytes, checksum: fcb02e5ff38b9223264b40df7fe04318 (MD5) Previous issue date: 2009-07-03<br>Molecular markers have been successfuly applied in genetic mapping and marker assisted selection as an auxiliary tool for plant breeding and transfer of genetic information among related species. In this sense, the understanding of genome elements occurring in important crop species such as wheat, rice and maize can be used towards the improvement of basic knowledge in orphan grass

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10

Rebolledo, Maria Camila. "Diversité génétique de la vigueur initiale et de la tolérance au stress hydrique chez le riz (Orysa Sativa.L) : identification de caractères morphogénétiques, métaboliques et hydrique pour les études génétiques." Thesis, Montpellier, SupAgro, 2012. http://www.theses.fr/2012NSAM0003/document.

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La vigueur initiale (accumulation de biomasse aérienne) est déterminante pour un rapide établissement de la culture et l'accès aux ressources, contribuant ainsi à un évitement du stress hydrique. Cette thèse vise à caractériser la diversité phénotypique chez le riz (Oriza Sativa.L) des traits constituant la vigueur initiale et sa plasticité sous stress hydrique. L'étude à démontrée que la vigueur initiale dépend de caractères relatifs aux forces de puits et à la demande en assimilats carbonés, tels que le taux de développement (DR), le tallage et la taille potentielle des feuilles. Une relatio

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Hwang, Jiun-Mig, and 黃俊銘. "The Agriculture experimental ground and Oryza sativa var. japonica Development." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/89146704533802250872.

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碩士<br>國立中央大學<br>歷史研究所碩士在職專班<br>98<br>Oryza sativa var. japonica has already become ancestor of Taiwan rice. In generally speaking that Taiwan’s and Japan’s rice has blood relationship. Japanese created Penglai rice and planted in Japan’s colony period in Taiwan. The entire Penglai rice history appears Japan to make it. This article mainly inspects Taiwan’s and Japan’s rice interactive relations to understand the rice planting experiment during Japanese colony period. It focuses especially on”The peony society event” in Tongzhi 13 years (1874). Japanese army military supplies motion''

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12

Wu, Shao-Chun, and 吳少鈞. "Analyses of Quantitative Traits in the F2 Population of Oryza sativa ssp. japonica TK8 × Oryza sativa ssp. indica IR1545-339." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/82596537396983354380.

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碩士<br>輔仁大學<br>生命科學系碩士班<br>92<br>Increasing rice productivity is one of important tasks in rice breeding programs. Most of agronomical traits, such as plant height, heading date, yield components, and insect and drought resistance, are quantitative traits which show continuous phenotypic variation in population and are influenced not only by environments but also regulated by polygenes. Polygenes can be dissected into Mendelian inheritance factors by quantitative trait loci (QTL) analysis. One of QTL analyzing method, interval mapping, can detect gene number, gene action and gene localizatio

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13

CHEN, HSIANG-CHUN, and 陳翔竣. "Analysis of repetitive sequence on Oryza sativa ssp. Japonica c.v.Nipponbare chromosome 5L telomere." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/55308668140126308761.

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碩士<br>輔仁大學<br>生命科學系碩士班<br>97<br>Repetitive sequence is important character of plant genome, 50% of rice genome is repetitive sequence, centromere and telomere are place that repetitive sequence maximum.Telomeres form the ends of linear eukaryotic chromosomes, and serve as protective caps that prevent end-to-end fusion,recombination and degradation of chromosome ends.In previous study of Hiroshi Mizuno, the length of the rice telomere regions of chromosome 1S,2S,2L,6L,7S,7L and 8S ranged from 5.1 to 10.8 kb, as revealed by both fibre-fluorescent in situ hybridization and terminal restriction-fr

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14

Shin-Yun, Hsu, and 許馨云. "Selection of disease resistant plantlets of Oryza sativa var. Japonica Taiken 9 induced with culture filtrate of Xanthomonas oryzae pv. oryzae." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/54808613468933670588.

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碩士<br>國立屏東科技大學<br>植物保護系所<br>95<br>The purposes of this study were to select the bacterial leaf blight- resistant plants of rice, to develop the technologies of disease-resistant selection and callus induction of Oryza sativa var. Japonica Taiken 9 through plant tissue culture. In the technique of disease-resistant selection, added 108 cfu/ml X. oryzae pv. oryzae in 100 ml YPDA liquid medium and the culture filtrate of X. oryzae pv. oryzae cultured for 72 hours as the selection agent provided the best selection result. The callus, little than 2 mm in diameter, were treated with the agent, added

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15

Souto, António Francisco Lourenço. "Caracterização de variedades de arroz com vista ao desenvolvimento de novos produtos alimentares." Master's thesis, 2021. http://hdl.handle.net/10773/33641.

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O arroz encontra-se entre os cereais mais produzidos e consumidos mundialmente, sendo constituído essencialmente por amido, nas formas de amilose e amilopectina. Com os processos de descasque e branqueamento do arroz, o teor de lípidos, vitaminas e minerais sofre uma grande quebra. O amido presente no arroz encontra-se na forma de grânulos de forma circular e semi-cristalina. Aquando do cozimento do arroz, a água entra nos grânulos gelatinizando o amido provocando a sua rutura. Durante o arrefecimento as cadeias de amilose e amilopectina voltam a organizar-se influenciando as suas pro

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16

Tsai, Chuan-Yin, and 蔡顓印. "Development and Application of Callus and Cell Culture of Oryza sativa var. japonica Taiken 9." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/12947180288402292716.

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碩士<br>國立屏東科技大學<br>熱帶農業暨國際合作系所<br>96<br>The purposes of this study are first to develop the culture systems of callus induction, cell culture and plantlet regeneration of rice, and further apply to the selection of bacterial leaf blight-resistant cell lines. Using the mature seeds of Oryza sativa var. Japonica Taken 9 as the explants, the effects of the media, contents of gelrite agar and sucrose and plant growth regulators on callus induction of seeds of O. sativa var. Japonica Taken 9 were evaluated. The results indicated that CS-1 medium containing 2 mg/l 2,4-D, 3% sucrose, 4% gelrite agar a

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17

Huang, Huei-Jiuan, and 黃惠娟. "Mapping Genes Resistant to Blast (Pyricularia grisea Sacc.) and Brown Planthopper (Nilaparvata lugens Stal.) in Japonica Rice (Oryza sativa L.)." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/01728265236517543645.

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博士<br>國立臺灣大學<br>農藝學研究所<br>91<br>The rice breeding programs in Taiwan for developing high quality varieties with resistance to disease and insect usually use japonica rice as parents. To facilitate the breeding goals, the molecular linkage maps based on japonica × japonica crosses was developed. In this study, a molecular linkage map of japonica rice was constructed by 160 F2-derivided lines of TNG69 × Koshihikari population. It consisted of 135 DNA markers, totally spanning 1,350cM with an average interval of 14.67cM. According to the genotypic frequencies of molecular markers, segregation dis

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Wen, Min-Chi, and 溫敏琪. "Effects of Cell Source and Culture Method on the Proliferation of Suspension Cells in Oryza sativa var. japonica ‘Taiken 9’." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/87259955329350277269.

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碩士<br>國立屏東科技大學<br>植物醫學系所<br>102<br>The purpose of this study was to establish the stable culture technology of suspension cells in rice. In order to get the suspension cells that have good abilities in proliferation and differentiation, the mature seeds and the root of in vitro seedling in Oryza sativa var. japonica cv. Taiken 9 were used as the materials. In comparison of the number and proliferation rate of suspension cells of callus induced from the seed and the root. Callus induced from the root had the best result in number of suspension cells per gram callus, about 2.4#westeur024#107cell

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19

Chepyshko, Hanna, and 邱安娜. "Multifunctionality and diversity of GDSL esterase/lipase gene family in rice (Oryza sativa L. japonica) genome: new insights from bioinformatics analysis." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/88w664.

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博士<br>國立中興大學<br>食品暨應用生物科技學系所<br>100<br>GDSL esterases/lipases are a newly discovered subclass of lipolytic enzymes that are very important and attractive research subjects because of their multifunctional properties, such as broad substrate specificity and regiospecificity. Compared to the current knowledge regarding these enzymes in bacteria, our understanding of the plant GDSL enzymes is very limited, although the GDSL gene family in plant species includes numerous members in many fully sequenced plant genomes. Only two genes from a large rice GDSL esterase/lipase gene family were previously

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20

Chang, Ya-Lan, and 張雅嵐. "Study on Cell Culture and Preliminary Screening for Bacterial Leaf Blight Tolerant Cell Lines of Oryza sativa var. japonica cv. Taiken 9." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/08663234527476784521.

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碩士<br>國立屏東科技大學<br>植物醫學系所<br>101<br>The purposes of this study were to develop culture technique of callus induction, establishment culture and primary culture of suspension cell and to select the bacterial leaf blight-resistant cell lines in Oryza sativa var. japonica cv. Taiken 9. The mature seeds of O. sativa var. japonica cv. Taiken 9 served as the explant to evaluate the effects of 2,4-D concentration, seed storage time and place method of seed on callus induction. The results indicated that the seeds stored at 4℃ for less than one year as explants and embryo upward whole buried in CS-1 me

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21

Fan, Hao-Chang, and 范豪昌. "Responses of the Grain Yield and Agronomic Traits to the Planting Density of Japonica Type Rice (Oryza sativa L.) Cultivars Released from 1936 to 1993 in Taiwan." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/72292266741089443611.

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碩士<br>國立臺灣大學<br>農藝學研究所<br>87<br>The objectives of this study were to determine the effect of plant density on the yield and other agronomic traits in rice. 11 major rice cultivars that had been grown in Taiwan during the period of 1930-1990 were evaluated in the 1st crop of 1996 in Taipei at three plant densities (106,667, 160,000, 320,000 plants/ha with a randomized complete block design with 4 replications). The cultivars included in this study were (with year of releasing in brackets): TC65 (1936), CN8 (1941), HC56 (1953), CN242 (1956), TN5 (1965), KSS1 (1972), TN67 (1978), HC64

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Wu, Kuen-Rong, and 吳崑榮. "Responses of the Grain Yield and Agronomic Traits of Japonica Type Rice (Oryza sativa L.) Cultivars Released in Past Sixty Years in Taiwan to Nitrogen-fertilizer and Temperature." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/03862701015012081497.

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碩士<br>國立臺灣大學<br>農藝學研究所<br>88<br>The aims of this study were to compare the yield and other agronomic traits of major Japonica rice cultivars released from 1936 to 1993 under different levels of nitrogen fertilizers and temperature treatments. Twelve major cultivars ( TC65(1936), CN8(1941), HC56(1953), CN242(1956), TN5(1965), KSS1(1972), TN67(1978), HC64(1981), TN70(1985), TK2(1989), TK8(1992) and TK9(1993) ) were grown in 1/2000are Wagner plastic pots of National Taiwan University Agriculture Experimental Farm, Taipei, in 2nd Crop of 1996 and 1st crop of 1997 respectively. Nitrogen

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Tavares, Ana Catarina Oliveira. "Caracterização de plantas de arroz mutantes no gene FRD-like em relação à homeostase de ferro e toxicidade por alumínio." Master's thesis, 2021. http://hdl.handle.net/10400.14/36279.

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O arroz é um dos cereais mais produzidos e consumidos por grande parte da população. É uma excelente fonte energética, tornando-se um cereal importante principalmente em países em desenvolvimento. Independentemente de o arroz se adaptar às diversas condições de solo e clima, o seu crescimento é afetado por diversos fatores abióticos, destacando-se a deficiência de ferro (Fe) e a toxicidade por alumínio (Al). O Fe é um micronutriente essencial que participa em diversos processos fisiológicos, como a fixação de nitrogénio, produção de hormonas e síntese de DNA. As plantas quando submetidas a nív

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吳佳恬. "Protein isolation and identification from a Japonica rice (Oryza sative) MT9 with promoting activity of anti-leukemia immunity." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/42855179136996262591.

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