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Titolo:
A comparison of methods for detection of phosphate limitation in microalgae
Autore:
Beardall, J; Berman, T; Heraud, P; Kadiri, MO; Light, BR; Patterson, G; Roberts, S; Sulzberger, B; Sahan, E; Uehlinger, U; Wood, B;
Indirizzi:
Monash Univ, Dept Biol Sci, Clayton, Vic 3800, Australia Monash Univ Clayton Vic Australia 3800 Sci, Clayton, Vic 3800, Australia Israel Oceanog & Limnol Res Ltd, Yigal Allon Kinneret Limnol Lab, IL-14102Tiberias, Israel Israel Oceanog & Limnol Res Ltd Tiberias Israel IL-14102iberias, Israel Monash Univ, Dept Chem, Clayton, Vic 3800, Australia Monash Univ Clayton Vic Australia 3800 Chem, Clayton, Vic 3800, Australia Univ Benin, Dept Bot, Benin City, Nigeria Univ Benin Benin City NigeriaUniv Benin, Dept Bot, Benin City, Nigeria EPA, Marine Div, Melbourne, Vic 3001, Australia EPA Melbourne Vic Australia 3001 rine Div, Melbourne, Vic 3001, Australia Univ Greenwich, Nat Resources Inst, Chatham ME4 4TB, Kent, England Univ Greenwich Chatham Kent England ME4 4TB hatham ME4 4TB, Kent, England EAWAG, Dept Limnol, CH-8600 Dubendorf, Switzerland EAWAG Dubendorf Switzerland CH-8600 mnol, CH-8600 Dubendorf, Switzerland
Titolo Testata:
AQUATIC SCIENCES
fascicolo: 1, volume: 63, anno: 2001,
pagine: 107 - 121
SICI:
1015-1621(2001)63:1<107:ACOMFD>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
DUNALIELLA-TERTIOLECTA CHLOROPHYTA; INDUCED PHOTOSYNTHETIC SUPPRESSION; PHOSPHORUS LIMITATION; NUTRIENT LIMITATION; PHYTOPLANKTON; ENRICHMENT; DEFICIENCY; BIOASSAYS; CULTURES; GROWTH;
Keywords:
phosphate limitation; algae; fluorescence; FTIR; oxygen exchange;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Beardall, J Monash Univ, Dept Biol Sci, POB 18, Clayton, Vic 3800, Australia Monash Univ POB 18 Clayton Vic Australia 3800 3800, Australia
Citazione:
J. Beardall et al., "A comparison of methods for detection of phosphate limitation in microalgae", AQUAT SCI, 63(1), 2001, pp. 107-121

Abstract

This paper presents the results of studies into the use of the emerging techniques of nutrient induced fluorescence transients (NIFTs) and Fourier Transform InfraRed (FTIR) spectroscopy to determine the nutrient status of microalgae. Four species of microalgae were grown under conditions where growth rate was P-limited or P-replete, and NIFT responses and FTIR spectra in response to the re-supply of P (as PO43-) measured. These responses were compared to more conventional measures of algal nutrient status such as P-uptake rates, P quotas and transient effects of PO43- on oxygen exchange. The NIFT technique and FTIR spectroscopy gave results that were consistent withthose obtained by the other techniques. Furthermore, we were able to demonstrate NIFT responses in phytoplankton samples taken from Lake Lucerne (total ambient P less than or equal to 0.13 muM) but not from Lake Zurich (total P 0.55 muM). The potential and limitations of the various techniques are discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 07:36:17