The phrase "algal groups in" is correct and usable in written English.
It can be used when discussing different categories or classifications of algae within a specific context, such as ecology or biology.
Example: "The study focused on the interactions between algal groups in freshwater ecosystems."
Alternatives: "algal categories in" or "algal types in".
During a study led by Wille, it was shown that the lake of the Upper-Sûre undergoes, in general, an annual cycle composed of four different phases that are each defined by the dominance of one main algal group (In order of appearance): cryptophytes, diatoms, chlorophytes, and cyanobacteria [19].
The minimal distance (Table 1, right top) between two clades was 5.09% (clade B and D), the maximum 16.74% (clade A and H), which is 1.57 times higher than the highest value found in the remaining algal groups included in this study.
The nuclear envelope breaks apart in some algal groups but remains intact in others.
Fatty acid composition in various algal groups has been investigated in Pakistan [16, 17].
The three previous analyses showed that phylogenetic relationships at the level of phyla and classes among algal groups were reflected in FA distribution patterns using a large sample of strains.
In the light of previous reports indicating that loss of the chloroplast IR occurred relatively frequently during the evolution of the Viridiplantae, our inference that the IR was lost independently on at least two separate occasions in the Trebouxiophyceae does not imply that the quadripartite structure is less unstable in this algal group than in others.
The utility of DNA barcoding based on the COI mitochondrial gene for the identification and discovery of species has been tested widely in several red algal groups with very promising results in most cases (Clarkston and Saunders, 2010; Le Gall and Saunders, 2010; Sherwood et al., 2011).
This compartment, the periplastidal compartment, shows different degrees of reductions as in two algal groups the former nucleus is still present in a minimized form, called nucleomorph, whereas most others have lost the genetic system completely.
To investigate the generality of polyploidization in broad endosymbiotic genomes, we analyzed the ploidy of endosymbiotically derived nuclear genomes in two algal groups, chlorarachniophytes and cryptophytes.
