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DNA barcoding of algae is commonly used for species identification and phylogenetic studies. Algae form a phylogenetically heterogeneous group, meaning that the application of a single universal barcode/ marker for species delimitation is unfeasible, thus different markers/barcodes are applied for this aim in different algal groups.
The chloroplasts of red algae have chlorophylls a and c (often), and phycobilins, while those of green algae have chloroplasts with chlorophyll a and b without phycobilins. Land plants are pigmented similarly to green algae and probably developed from them, thus the Chlorophyta is a sister taxon to the plants; sometimes the Chlorophyta, the ...
Marine algae can be divided into six groups: green, red and brown algae, euglenophytes, dinoflagellates and diatoms. Dinoflagellates and diatoms are important components of marine algae and have their own sections below. Euglenophytes are a phylum of unicellular flagellates with only a few marine members. Not all algae are microscopic.
Marine algae can be divided into six groups: green, red and brown algae, euglenophytes, dinoflagellates and diatoms. Dinoflagellates and diatoms are important components of marine algae and have their own sections below. Euglenophytes are a phylum of unicellular flagellates with only a few marine members. Not all algae are microscopic.
Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, whereas prokaryotes are the organisms that do not have a nucleus enclosed within a membrane. [ 1 ] [ 2 ] [ 3 ] The three-domain system of classifying life adds another division: the prokaryotes are divided into two domains of life, the microscopic bacteria and the ...
Brown algae Commercial crop 543.4 Mb Chinese Academy of Sciences, Beijing Institutes of Life Science 2015 [62] The Greenhouse [15] Thalassiosira oceanica CCMP 1005 Model organism 92.2 Mb 34,642 The Future Ocean: 2012 [63] The Greenhouse [15] Thalassiosira pseudonana: model organism 32.4 Mb 11,673 Diatom Consortium: 2009 [64] The Greenhouse [15]
The cells of plants, algae, fungi and most chromalveolates, but not animals, are surrounded by a cell wall. This is a layer outside the cell membrane, providing the cell with structural support, protection, and a filtering mechanism. The cell wall also prevents over-expansion when water enters the cell. [45]
Chlorophyta (green algae), mostly unicellular algae found in fresh water. [44] The chlorophyta are of particular importance because they are believed to be most closely related to the evolution of land plants. [45] Diatoms, unicellular algae that have siliceous cell walls. [46] They are the most abundant form of algae in the ocean, although ...