Publikation:

Amino acids as indicators of physiological stress in common reed Phragmites australis affected by an extreme flood

Lade...
Vorschaubild

Datum

2004

Autor:innen

Koppitz, Heike
Dewender, Marion
Schmieder, Klaus

Herausgeber:innen

Kontakt

ISSN der Zeitschrift

Electronic ISSN

ISBN

Bibliografische Daten

Verlag

Schriftenreihe

Auflagebezeichnung

DOI (zitierfähiger Link)
ArXiv-ID

Internationale Patentnummer

Angaben zur Forschungsförderung

Projekt

Open Access-Veröffentlichung
Open Access Green
Core Facility der Universität Konstanz

Gesperrt bis

Titel in einer weiteren Sprache

Publikationstyp
Zeitschriftenartikel
Publikationsstatus
Published

Erschienen in

Aquatic Botany. 2004, 79(4), pp. 277-294. ISSN 0304-3770. eISSN 1879-1522

Zusammenfassung

The effects of extreme flooding at Lake Constance on the content and composition of amino acids in Phragmites australis were studied at nine reed stands with different degrees of damage. Following the flood damage, we discovered a complex die-back syndrome which is characterised by a decrease in total culm density from 32 to 4 culms m-2, an increase in percentage of secondary shoots by 70% and decline in mean culm biomass by 27 g dry wt. Furthermore, a reduction of total carbohydrates by 60%, starch by 56-70% and soluble sugars by 49-59% in the vertical and horizontal storage rhizomes was found, together with changes in the composition of amino acids in the basal culm internodes. Within primary shoots from extremely damaged reed stands we found a significant increase in the total content of amino acids (150 versus 40 μmol amino acid g-1 dry wt. in undamaged stands). Asparagine (Asn) contributed one of the largest fractions to total amino acids, on average about 25% in undamaged reed stands. In contrast, the main amino acid of primary shoots from extremely damaged reeds was not Asn (15%) but γ-aminobutyric acid (Gaba). Its share was 36% in primary shoots and 48% in insect-infested primary shoots, respectively. This is the highest Gaba content reported in P. australis. The significant increase in the share of γ-aminobutyric acid in shoots from extremely damaged reed stands was accompanied by an increase in alanine. These changes in the composition of amino acids are discussed with respect to the significance of certain amino acids acting as stress indicators, such as oxygen deprivation, causing a hypoxic metabolic state in P australis stands.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

Schlagwörter

Asparagine, Dissolved amino acids, gamma-Aminobutyric acid, Gaba accumulation, Hypoxia, Lake Constance, Water level fluctuations

Konferenz

Rezension
undefined / . - undefined, undefined

Forschungsvorhaben

Organisationseinheiten

Zeitschriftenheft

Zugehörige Datensätze in KOPS

Zitieren

ISO 690KOPPITZ, Heike, Marion DEWENDER, Wolfgang OSTENDORP, Klaus SCHMIEDER, 2004. Amino acids as indicators of physiological stress in common reed Phragmites australis affected by an extreme flood. In: Aquatic Botany. 2004, 79(4), pp. 277-294. ISSN 0304-3770. eISSN 1879-1522
BibTex
@article{Koppitz2004Amino-7957,
  year={2004},
  title={Amino acids as indicators of physiological stress in common reed Phragmites australis affected by an extreme flood},
  number={4},
  volume={79},
  issn={0304-3770},
  journal={Aquatic Botany},
  pages={277--294},
  author={Koppitz, Heike and Dewender, Marion and Ostendorp, Wolfgang and Schmieder, Klaus}
}
RDF
<rdf:RDF
    xmlns:dcterms="http://purl.org/dc/terms/"
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:bibo="http://purl.org/ontology/bibo/"
    xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#"
    xmlns:foaf="http://xmlns.com/foaf/0.1/"
    xmlns:void="http://rdfs.org/ns/void#"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > 
  <rdf:Description rdf:about="https://kops.uni-konstanz.de/server/rdf/resource/123456789/7957">
    <dcterms:bibliographicCitation>First publ. in: Aquatic Botany 79 (2004), pp. 277-294</dcterms:bibliographicCitation>
    <dcterms:abstract xml:lang="eng">The effects of extreme flooding at Lake Constance on the content and composition of amino acids in Phragmites australis were studied at nine reed stands with different degrees of damage. Following the flood damage, we discovered a complex die-back syndrome which is characterised by a decrease in total culm density from 32 to 4 culms m-2, an increase in percentage of secondary shoots by 70% and decline in mean culm biomass by 27 g dry wt. Furthermore, a reduction of total carbohydrates by 60%, starch by 56-70% and soluble sugars by 49-59% in the vertical and horizontal storage rhizomes was found, together with changes in the composition of amino acids in the basal culm internodes. Within primary shoots from extremely damaged reed stands we found a significant increase in the total content of amino acids (150 versus 40 μmol amino acid g-1 dry wt. in undamaged stands). Asparagine (Asn) contributed one of the largest fractions to total amino acids, on average about 25% in undamaged reed stands. In contrast, the main amino acid of primary shoots from extremely damaged reeds was not Asn (15%) but γ-aminobutyric acid (Gaba). Its share was 36% in primary shoots and 48% in insect-infested primary shoots, respectively. This is the highest Gaba content reported in P. australis. The significant increase in the share of γ-aminobutyric acid in shoots from extremely damaged reed stands was accompanied by an increase in alanine. These changes in the composition of amino acids are discussed with respect to the significance of certain amino acids acting as stress indicators, such as oxygen deprivation, causing a hypoxic metabolic state in P australis stands.</dcterms:abstract>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:38:50Z</dc:date>
    <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/28"/>
    <dc:creator>Koppitz, Heike</dc:creator>
    <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/>
    <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T17:38:50Z</dcterms:available>
    <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/7957/1/Amino_acids_as_indicators_of_physiological_stress_in_common_reed_Phragmites_australis_affected_by_an_extreme_flood.pdf"/>
    <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/7957"/>
    <dc:contributor>Dewender, Marion</dc:contributor>
    <dc:contributor>Ostendorp, Wolfgang</dc:contributor>
    <dcterms:issued>2004</dcterms:issued>
    <dc:creator>Dewender, Marion</dc:creator>
    <dc:language>eng</dc:language>
    <dcterms:title>Amino acids as indicators of physiological stress in common reed Phragmites australis affected by an extreme flood</dcterms:title>
    <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/server/rdf/resource/123456789/28"/>
    <dcterms:rights rdf:resource="http://creativecommons.org/licenses/by-nc-nd/2.0/"/>
    <dc:creator>Ostendorp, Wolfgang</dc:creator>
    <dc:format>application/pdf</dc:format>
    <dc:rights>Attribution-NonCommercial-NoDerivs 2.0 Generic</dc:rights>
    <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/7957/1/Amino_acids_as_indicators_of_physiological_stress_in_common_reed_Phragmites_australis_affected_by_an_extreme_flood.pdf"/>
    <foaf:homepage rdf:resource="http://localhost:8080/"/>
    <dc:contributor>Koppitz, Heike</dc:contributor>
    <dc:contributor>Schmieder, Klaus</dc:contributor>
    <dc:creator>Schmieder, Klaus</dc:creator>
  </rdf:Description>
</rdf:RDF>

Interner Vermerk

xmlui.Submission.submit.DescribeStep.inputForms.label.kops_note_fromSubmitter

Kontakt
URL der Originalveröffentl.

Prüfdatum der URL

Prüfungsdatum der Dissertation

Finanzierungsart

Kommentar zur Publikation

Allianzlizenz
Corresponding Authors der Uni Konstanz vorhanden
Internationale Co-Autor:innen
Universitätsbibliographie
Ja
Begutachtet
Diese Publikation teilen