Phylogenetic and morphological identification of a photosynthetic microbial consortium of potential biotechnological interest
| Autor: | Javier Carmona Jiménez, Rodolfo Marsch Moreno, María Eugenia Hidalgo Lara, Dulce Jazmín Hernández Melchor, Luc Dendooven, Rosa Olivia Cañizares Villanueva |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
Cyanobacteria Ecology biology 010604 marine biology & hydrobiology Biofertilizer Aquatic Science Microbial consortium Oceanography biology.organism_classification medicine.disease_cause 01 natural sciences Devosia insulae Microbiology Monoraphidium Botany Nitrogen fixation Pedomicrobium americanum medicine Proteobacteria Ecology Evolution Behavior and Systematics 010606 plant biology & botany Water Science and Technology |
| Zdroj: | Hidrobiológica. 26:311-321 |
| ISSN: | 2448-7333 0188-8897 |
| DOI: | 10.24275/uam/izt/dcbs/hidro/2016v26n2/canizares |
| Popis: | Background. Microbial consortia have ecological and biotechnological importance since they contribute to the biogeochemical cycles in nature and produce compounds of high economical value. Goals. Research for this paper involved the polyphasic study of a photosynthetic microbial consortium (MC) in order to identify the microorganisms that comprise it, in addition to exploring the theory of the biotechnological potential of each partner within the consortium. Methods. Study of morphological and phylogenetic diversity. Results. Twenty-one different microorganisms were identified that make up the MC belonging to the phyla Proteobacteria (Rhodobacter sp., Devosia insulae, Pedomicrobium americanum, Alpha proteobacteria, Aquaspirillum delicatum, Methylibium petroleiphilum and Nannocystis sp.), Bacteriodetes (Flavobacterium sp. and Flavobacterium aquatile), Cyanobacteria (Aphanizomenon aphanizomenoides, Leptolyngbya sp. and Anabaena oscillarioides), Chlorophyta (Monoraphidium sp. and Chlorella sp.), Heterokontophyta (Cyclotella meneghiniana, Melosira varians, Cocconeis placentula, Achnanthidium chlidanos, Navicula radiosa, Fragilaria ulna and Nitzschia sp.). This microbial consortium was shown to have a high capacity for nitrogen fixation (10,294 nmol ethylene g-1 dry weight h-1). Conclusions. The identification of microorganisms that form the MC and their capacity for growth and nitrogen fixation in a photobioreactor, give us a glimpse of their possible biotechnological application as a biofertilizer. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|