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Letteratura scientifica selezionata sul tema "Phalaris Pollen"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 31 gennaio 2023

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Articoli di riviste sul tema "Phalaris Pollen"

1

Langridge, P., and U. Baumann. "A pollen-specific cDNA of Phalaris coerulescens shows homology to Zm13." Sexual Plant Reproduction 10, no. 2 (May 28, 1997): 124–25. http://dx.doi.org/10.1007/s004970050078.

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2

Li, Xinmin, Jan Nield, David Hayman, and Peter Langridge. "Cloning a Putative Self-Incompatibility Gene from the Pollen of the Grass Phalaris coerulescens." Plant Cell 6, no. 12 (December 1994): 1923. http://dx.doi.org/10.2307/3869918.

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3

Li, X., J. Nield, D. Hayman, and P. Langridge. "Cloning a putative self-incompatibility gene from the pollen of the grass Phalaris coerulescens." Plant Cell 6, no. 12 (December 1994): 1923–32. http://dx.doi.org/10.1105/tpc.6.12.1923.

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4

Suphioglu, C., M. B. Singh, R. J. Simpson, L. D. Ward, and R. B. Knox. "Identification of canary grass (Phalaris aquatica) pollen allergens by immunoblotting: IgE and IgG antibody-binding studies." Allergy 48, no. 4 (May 1993): 273–81. http://dx.doi.org/10.1111/j.1398-9995.1993.tb00728.x.

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5

Townsend, Lise, and Richard J. Hebda. "Pollen and Macro‐Fossil Assemblages in Disturbed Urban Wetlands on South Vancouver Island Reveal Recent Invasion of Reed Canarygrass ( Phalaris arundinacea ) and Guide Restoration." Restoration Ecology 21, no. 1 (December 14, 2011): 114–23. http://dx.doi.org/10.1111/j.1526-100x.2011.00851.x.

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6

Moricca, Claudia, Lorenzo Nigro, Lucrezia Masci, Salvatore Pasta, Federico Cappella, Federica Spagnoli, and Laura Sadori. "Cultural landscape and plant use at the Phoenician site of Motya (Western Sicily, Italy) inferred from a disposal pit." Vegetation History and Archaeobotany, May 27, 2021. http://dx.doi.org/10.1007/s00334-021-00834-1.

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AbstractThe present study concerns the Phoenician-Punic site of Motya, a small island set in Western Sicily (Italy), in the Marsala Lagoon (Stagnone di Marsala), between Trapani and Marsala. A big disposal pit, datable to between the first half of the 8th and the mid-6th century bc, was identified in Area D. This context was sampled for plant macro-remains through bucket flotation. Palynological treatment and analysis were also performed on soil samples collected from each of the identified filling layers. The combination of the study of macro- and micro-remains has shown to be effective in answering questions concerning introduced food plants and agricultural practices, and native plants, including timber use. Here we investigate if a waste context can provide information about Phoenicians at Motya and their impact on the local plant communities. We found that human diet included cereals (mostly naked wheat), pulses and fruits. A focus was placed on weeds (including Lolium temulentum and Phalaris spp.) referable to different stages of crop processing. This aspect was enriched by the finding of cereal pollen, which suggests that threshing (if not even cultivation) was carried out on site. Palynology also indicates an open environment, with little to no forest cover, characterized by complex anthropogenic activities. Anthracology suggests the presence of typical Mediterranean plant taxa, including not only the shrubs Pistacia lentiscus and Erica multiflora, but also evergreen oaks. The presence of a stone pine nut and of Pinus pinea/pinaster in the pollen rain is noteworthy, suggesting the local occurrence of these Mediterranean pines outside their native distribution range. This represents the first such find in the central Mediterranean. Finally, the present study allows us to compare Motya’s past environment with the present one. The disappearance of Juniperus sp. and Erica arborea from the present-day surroundings of the Marsala lagoon appears to be related to land-overexploitation, aridification or a combination of both processes.

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Tesi sul tema "Phalaris Pollen"

1

Baumann, Ute. "Pollen mRNAs of Phalaris coerulescens and their possible role in self-incompatibility." Title page, table of contents and summary only, 1995. http://web4.library.adelaide.edu.au/theses/09PH/09phb347.pdf.

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Bibliography: leaves 116-144. In Phalaris coerulescens, gametophytic self-incompatibility is under the control of two unlinked genes, S and Z. An incompatible reaction occurs when both S and Z alleles of the pollen are present in the genotype of the recipient stigma. Either pollen grains fail to germinate or pollen tube growth is arrested shortly after contact with the stigma. This study examines the contribution of genes specifically expressed in the male gametophyte to the physiological processes during pollen tube germination and pollen stigma interaction. Among the aims of this study is the isolation of the Z gene.

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2

Bian, Xue-Yu. "Towards cloning the self-incompatibility genes from Phalaris coerulescens." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phb577.pdf.

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Abstract (sommario):

Bibliography: leaves 97-114. "Self-incompatibility (SI) is an important genetic mechnism to prevent the inbreeding of flowering plants and also an excellent system for studying cell-cell recognition and signal transduction."

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3

Baumann, Ute. "Pollen mRNAs of Phalaris coerulescens and their possible role in self-incompatibility / by Ute Baumann." Thesis, 1995. http://hdl.handle.net/2440/18765.

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Abstract (sommario):

Bibliography: leaves 116-144.<br>144 leaves, [20] leaves of plates : ill. (some col.) ; 30 cm.<br>In Phalaris coerulescens, gametophytic self-incompatibility is under the control of two unlinked genes, S and Z. An incompatible reaction occurs when both S and Z alleles of the pollen are present in the genotype of the recipient stigma. Either pollen grains fail to germinate or pollen tube growth is arrested shortly after contact with the stigma. This study examines the contribution of genes specifically expressed in the male gametophyte to the physiological processes during pollen tube germination and pollen stigma interaction. Among the aims of this study is the isolation of the Z gene.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Plant Science, 1996

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4

Bian, Xue-Yu. "Towards cloning the self-incompatibility genes from Phalaris coerulescens." Thesis, 2001. http://hdl.handle.net/2440/37906.

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Abstract (sommario):

Self-incompatibility (SI) is an important genetic mechanism to prevent the inbreeding of flowering plants and also an excellent system for studying cell-cell recognition and signal transduction. During evolution, several SI systems have been evolved. A unique SI system widely spreads in the grasses. In the grasses, two unlinked, multi-allelic loci (S and Z) determine SI specificity. A putative self-incompatibility gene (Bm2) was previously cloned. In this study, the role of Bm2 in self-incompatibility was investigated first. The cDNA homologues of Bm2 were sequenced from two pollen-only mutants. The results indicated that Bm2 is not the one of SI genes in Phalaris, but represents a subclass of thioredoxin h. Thus a map-based cloning strategy was then adopted to clone the SI genes from Phalaris. Fine linkage maps of the S and Z regions were constructed. RFLP probes from wheat, barley, oat and rye were screened and the S locus was delimited to 0.26 cM and the Z locus to 1.0 cM from one side using specially designed segregating populations. The S locus was located to the sub-centromere region of triticeae chromosome group 1 and the Z locus to the middle of the long arm of group 2. Finally, barley and rice bacterial artificial chromosome (BAC) clones corresponding to the S and Z region were identified to analyse the chromosome structures and to seek candidate SI genes. The abundant repetitive sequences in the identified barley BAC clones limit their usefulness. Identification of Rice BAC clones orthologous to the S and Z regions open the gate to use rice genome information to clone SI genes from the grasses. A positive rice clone (139.9 kb) orthologous to the S region contained 19 predicted genes. Several of these genes might be involved in pollen tube germination and pollen-stigma interaction, which are the major parts of SI reaction. A positive clone (118.9 kb) orthologous to the Z region gave 16 predicted genes. The predicted genes on the outmost ends of these clones could be used to construct contigs to cover the S and Z regions and delimit the S and Z loci in the grasses.<br>Thesis (Ph.D.)--Department of Plant Science, 2001.

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