The influence of microorganisms on chlorophyll a degradation in the marine environment

  title={The influence of microorganisms on chlorophyll a degradation in the marine environment},
  author={M. Szymczak‐Żyła and G. Kowalewska and Jiř{\'i} Louda},
  journal={Limnology and Oceanography},
This study investigated the action of natural microorganisms on the degradation (diagenesis) of chlorophyll a (Chl a). Unialgal cultures of the diatom Chaetocerus gracilis and the eustigmatophyte Nannochloropsis occulata were incubated with or without the addition of natural marine microorganisms in oxic (air) or anoxic (nitrogen sparge) conditions. Microorganisms were obtained from seawater recovered just above the sediment‐water interface of a coastal lagoon of southeastern Florida… 

Microbial degradation of chlorophyll

This study enriched for aerobic and anaerobic microorganisms that could use chlorophyll as the sole substrate for growth and found cells to be abundant both in the liquid and carrier phase of the enrichment culture.

Cellular viability and the occurrence and significance of chlorophyll allomers during phytoplankton turnover

Phytoplankton can exist in the water column, whole but non-functional, and the percentage of these dead cells in highly variable. These dead cells can contain chlorophyll and contribute to ocean

Response of the Ubiquitous Pelagic Diatom Thalassiosira weissflogii to Darkness and Anoxia

While DNRA activity was restricted to the first few hours of darkness and anoxia, the subsequent degradation of photopigments took weeks to months, supporting the earlier finding that diatoms resume photosynthesis even after extended exposure to darkness andAnoxia.



Breakdown of phytoplankton pigments in Baltic sediments: effects of anoxia and loss of deposit-feeding macrofauna.

Products of Chlorophyll a Transformation by Selected Benthic Organisms in the Odra Estuary (Southern Baltic Sea)

The results indicate that the benthos may play an important role in the transformation of chlorophyll a in the Odra Estuary area, and that the sediments in this area are richer in phaeophorbides a than sediments from other parts of the southern Baltic Sea.

Grazing and degradation of algal pigments by marine protozoan Oxyrrhis marina


The developmental stages at which chlorophyll breakdown occurs in aquatic and terrestrial biological systems, and the destruction arising from herbivory, disease, pollution and other physical hazards are described.

The influence of deposit-feeding on chlorophyll-a degradation in coastal marine sediments

To determine how macrofaunal activity affects rates and mechanisms of Chlorophyll- a (Chl-a) decomposition, we measured Chl- a concentrations during laboratory incubations of surface sediment with

Degradation of diatom chlorophyll to colourless, non-fluorescing compounds during copepoo grazing

The net result of the appearance of a fucoxanthinol-like pigment while all other pigments disappeared is a gradual carotenoid enrichment of the samples during grazing, and grazing pressure cannot be estimated by simply recording bulk phaeopigment concentrations.