Last edited by Golticage
Saturday, July 25, 2020 | History

2 edition of genetic diversity of Ceanothus-infective Frankia found in the catalog.

genetic diversity of Ceanothus-infective Frankia

Nancy J. Ritchie

genetic diversity of Ceanothus-infective Frankia

by Nancy J. Ritchie

  • 109 Want to read
  • 4 Currently reading

Published .
Written in English

    Subjects:
  • Frankia -- Genetics.,
  • Actinorhizas.,
  • Ceanothus.

  • Edition Notes

    Statementby Nancy J. Ritchie.
    The Physical Object
    Pagination73 leaves, bound :
    Number of Pages73
    ID Numbers
    Open LibraryOL15494513M

    Geographic distribution and genetic diversity of Ceanothus-infective Frankia strains. Ritchie NJ, Myrold DD. Appl Environ Microbiol, 65(4), 01 Apr Cited by: 14 articles | PMID: | PMCID: PMC Free to read.   Plant Microbiology provides a comprehensive source of information on DNA sequencing and mapping, the newest technology and procedures in areas such as radiation hybrid mapping, FISH and specialized sequencing techniques are covered. The book also describes how transgene expression is controlled in plants and how advanced information strategies can be used to manipulate and modify .

      This is a great book for learning more about human genetics. Its diagrams are not always well placed with the text, so it loses one star for lack of clarity. Keep in mind that there is an expected knowledge of basic biology including the cell and its basic DNA-related processes. Good textbook for college-level s: 2. Collecting Plant Genetic Diversity Technical Guidelines. IUCN and UNEP, cooperated to produce this book. The volume is a comprehensive reference work and is aimed at both new and experienced collectors as well as those with a general interest in plant genetics, breeding and biodiversity. Frankia and mycorrhizal fungi, R A Date;

    The genus Frankia is made up of actinomycetes, nitrogen-fixing bacteria that form symbioses with actinorhizal trees (Benson and Silvester, ). With the first isolation of Frankia not occurring until (Torrey et al., ), far less research has been conducted on these actinomycetes in comparison to the nitrogen-fixing bacteria of leguminous plants, rhizobia. Thus, there is still much to. Gtari M, Brusetti L, Hassen A, Mora D, Daffonchio D, Boudabous A (b) Genetic diversity among Elaeagnus compatible Frankia strains and sympatric-related nitrogen-fixing actinobacteria revealed by nifH sequence analysis. Soil Biology and Biochemis –


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Genetic diversity of Ceanothus-infective Frankia by Nancy J. Ritchie Download PDF EPUB FB2

Frankia strains symbiotic with Ceanothus present an interesting opportunity to study the patterns and causes of Frankia diversity and distribution within a particular host infectivity group. We intensively sampled Frankia from nodules on Ceanothus plants along an elevational gradient in the southern Sierra Nevada of California, and we also collected nodules from a wider host taxonomic and Cited by: Little is known about Ceanothus-infective Frankiastrains because no Frankiastrains that can reinfect the host plants have been isolated from Ceonothusspp.

Therefore, we studied the diversity of the Ceonothus-infective Frankiastrains by using molecular techniques. Frankiastrains inhabiting root nodules of nine Ceanothusspecies were by: Genetic diversity of Elaeagnaceae infective Frankia strains isolated from various soils.

Molecular phylogeny of the genus Ceanothus using ndhF and rbcL sequences. Frankia strains inhabiting root nodules of nine Ceanothus species were characterized. The Ceanothus species used represent the taxonomic diversity and geographic range of the genus; therefore, the breadth of the diversity of Frankia strains that infect Ceanothus spp.

was by: Frankia strains symbiotic with Ceanothus present an interesting opportunity to study the patterns and causes of Frankia diversity and distribution within a particular host infectivity group.

Ritchie NJ, Myrold DD () Geographic distribution and genetic diversity of Ceanothus-infective Frankia strains. Appl Environ Microbiol – PubMed Google Scholar Rouvier C, Nazaret S, Fernandez MP, Picard B, Simonet P, Normand PP () rrn and nif intergenic spacers and isozyme patterns as tools to characterize Casuarina.

Full Text; PDF ( K) PDF-Plus ( K) Citing articles; Assessment of the genetic diversity of Frankia microsymbionts of Elaeagnus angustifolia L. plants growing in a Tunisian date-palm oasis by analysis of PCR amplified nifD-K intergenic spacer.

Maher Gtari, a Daniele Daffonchio, b Abdellatif Boudabous a a Laboratoire Microorganismes et Biomolécules Actives, Département de Biologie.

Abstract. The genus Frankia (Actinomycetales) is to date well described by morphology, physiology, infectivity, cell biochemistry, serology and molecular biology, but it is not yet possible to define species within it. Although Elaeagnaceae-isolated Frankia strains have been strictly separated from Alnus-compatible strains by various studies, Margheri et al.

[5] and Dobritsa et al. Restriction analysis indicated that H. rhamnoides -infective Frankia had a high genetic diversity; the samples were divided into nine RFLP patterns (A–I).

Elevation and precipitation likely affect the distribution of different Frankia patterns in root nodules. Genetic diversity is of fundamental importance in the continuity of a species as it provides the necessary adaptation to the prevailing biotic and abiotic environmental conditions, and enables change in the genetic composition to cope with changes in the environment.

Genetic Diversity in Plants presents chapters revealing the magnitude of genetic variation existing in plant populations. In recent years, molecular approaches have increasingly supplemented nodulation-dependent detection methods for studying Frankia populations in nature.

The new methods are revealing much about the genetic diversity and distribution of Frankia, as well as refining and expanding knowledge about endophyte-host -based approaches have been used to unravel the. Assessment of the genetic diversity of Frankia microsymbionts of Elaeagnus angustifolia L.

plants growing in a Tunisian date-palm oasis by analysis of PCR amplified nifD-K intergenic spacer. Frankia from root nodules of nine different species of Ceanothus were characterized.

DNA was amplified directly from nodular material using the polymerase chain reaction (PCR). The amplified region includes the 3' end of the 16S rRNA gene, the intergenic spacer (IGS), and a.

AN ABSTRACT OF THE THESIS OF Nancy J. Ritchie for the degree of Master of Science in Soil Science presented on Decem Title: The Genetic Diversity of Ceanothus-Infecti. Eleven plants were chosen so as to cover a wide range of biological characteristics (perennial, annual, autogamous, allogamous, etc.) in this study.

Three chapters on methodology complement these studies. The first is devoted to the use of biological and molecular markers to analyse the diversity of collections, the second addresses data analysis. Lastly, CD is an excellent model for experimental evolution, making this disease a leading candidate for the integrated genetic epidemiology approach, which takes into account the impact of the host's, the vector's, and the pathogen's genetic diversity on the transmission and severity of transmissible disease as well as the interactions between.

Rouvier, C., Y. Prin, P. Redell, P. Normand and P. Simonet. Genetic diversity among Frankia strains nodulating members of the family Casuarinaceae in Australia revealed by PCR and restriction fragment length polymorphism analysis with crushed root nodules.

Appl. Environ. Microbiol. Aims: Detection of polymorphisms in intergenic transcribed spacer (ITS) 16S–23S rRNA within single Frankia strains. Methods and Results: Polymorphisms in the 16S–23S rRNA ITS were investigated in s.

Figure Legend Snippet: Ethidium bromide-stained 2% agarose gel visualization of RT-PCR products. Lane M, to bp marker; lanes 1 and 2, primers BMN′ and BMN′ and MN1 RNA template with and without the addition of reverse transcriptase, respectively; lanes 3 and 4, primers BMN′ and BMN′ and the MN1 RNA template with and without the addition of reverse transcriptase.

This study was carried out to examine the possible genetic diversity that may occur among Frankia strains that nodulate C. equisetifolia in Mexico growing in the site of introduction, the cost of the Golf of Mexico, as well in the highlands. DNA extracted from reference cultures of Casuarina infecting Frankia strains, from field collected nodules (two trees of each of 14 sites and 3–5.

To quantify the genetic diversity of Frankia bacteria associated with Alnus rubra in natural settings and to examine the relative importance of site age, management, and geographic location in structuring Frankia assemblages in A.

rubra forests, root nodules from four A. rubra sites in the Pacific Northwest, USA were sampled. Frankia genetic diversity at each site was compared using.Genetics and Evolution of Infectious Diseases, Second Edition, discusses the constantly evolving field of infectious diseases and their continued impact on the health of populations, especially in resource-limited areas of the ts in public health, biomedical professionals, clinicians, public health practitioners, and decisions-makers will find valuable information in this book that.The overall low genetic diversity amongst these Frankia samples does not differ drastically from other findings.

A. rubra in particular, is known to associate with only different genotypes of Frankia independent of geographic location (Kennedy et al.

).