Sentence examples for are facultative for from inspiring English sources

Some symbionts, particularly some that are facultative for hosts, are more recently derived compared with ancient nutritional symbionts (Buchner 1965), and despite being related to pathogens, have conditionally beneficial effects upon their hosts (reviewed in Oliver et al. 2010).

Maternally transmitted symbionts that are facultative for hosts are often referred to as "secondary" symbionts and include several species of Enterobacteriaceae that infect aphids (Oliver et al. 2010), Arsenophonus species in many insects (Wilkes et al. 2009), Wolbachia species (Wu et al. 2004; Klasson et al. 2009), and others.

Synchronisation of the GHRH network might be facultative for factors, like ghrelin, which enhance the amplitude and not the frequency of GH pulses [1].

According to the findings in this work, the symbiosis may be facultative for some Symbiodinium spp. because they can find some of the benefits that they obtain from the coral in other habitats such as macroalgal beds.

Alternatively, these proteins may have been secondarily lost in several species, indicating that MAM proteins may be facultative for pathway function or replaceable by other proteins.

In line with this, the production of IL-6 was required for the TFH-cell-promoting effect of monocyte-derived DCs, while it was facultative for the induction of TFH cell by conventional DCs.

In addition to their capacity for extracellular survival, Salmonellae are facultative intracellular bacteria and their ability to survive within cells is essential for virulence [14].

For example, Myxobacteria are facultative predators.

Other universal traits are facultative adaptations such as the capacities for skin tanning, adaptation to high-altitude, callus formation, cough, and fever.

Moreover, it has been suggested that PCRBs, which are facultative anaerobes, and other microbes, use Clds for metabolisms in anoxia.

Species in the Francisella genus are facultative intracellular, gram-negative bacteria, and well known for causing Tularaemia in mammals.