Biology Reference
In-Depth Information
CHAPTER EIGHT
The Globins of Cold-Adapted
Pseudoalteromonas haloplanktis
TAC125: From the Structure to the
Physiological Functions
Daniela Giordano
*
, Daniela Coppola
*
, Roberta Russo
*
,
Mariana Tinajero-Trejo
†
, Guido di Prisco
*
, Federico Lauro
{
,
Paolo Ascenzi
*
,},1
*
Institute of Protein Biochemistry, CNR, Naples, Italy
†
Department of Molecular Biology & Biotechnology, The University of Sheffield, Sheffield, United Kingdom
{
School of Biotechnology & Biomolecular Sciences, The University of New South Wales, Sydney, New South
Wales, Australia
}
Interdepartmental Laboratory for Electron Microscopy, University Roma 3, Rome, Italy
}
Department of Biology, University Roma 3, Rome, Italy
1
Corresponding author: e-mail address: c.verde@ibp.cnr.it
,}
, Cinzia Verde
*
Contents
1. The Polar Environments
331
2. Phylogeny and Biogeography of Cold-Adapted Marine Microorganisms
334
3. The Role of Temperature in Evolutionary Adaptations
337
4. Bacterial Globins
340
4.1 Flavohaemoglobins
341
4.2 Single-domain globins
344
4.3 Truncated haemoglobins
345
5. The Antarctic Marine Bacterium Pseudoalteromonas haloplanktis TAC125:
A Case Study
348
5.1 General aspects
348
5.2 Genomic and post-genomic insights
350
5.3 Excess of O
2
and metabolic constraints
355
5.4 Biotechnological applications
357
6. P. haloplanktis TAC125 Globins
358
6.1 General aspects
358
6.2 Structure
-
function relationships of Ph-2/2HbO
360
7. Conclusion and Perspectives
372
Acknowledgements
374
References
374
