The phrase "an alternative origin of" is correct and usable in written English.
You can use it when discussing different possible sources or beginnings of something, often in academic or analytical contexts.
Example: "The researchers proposed an alternative origin of the ancient artifact, suggesting it may have come from a different civilization than previously thought."
Alternatives: "a different source of" or "another beginning of".
However, an alternative origin of a subset of OC has recently been proposed, suggesting implanted epithelial cells of the fallopian tube and endometrium in the ovary as an origin for HGSC and CCC, respectively [ 3].
An alternative origin of non-homologous sequences would be unspliced or improperly spliced transcripts.
An alternative origin of archaeal biotin carboxylases through ancient HGTs from bacteria cannot be completely excluded.
An alternative origin of heterokont/alveolate plastids has recently been proposed, with laterally transferred red-algal derived plastids from the haptophyte/cryptophyte clade into the heterokont/alveolate lineage [ 5, 61].
However, the immunohistochemical detection of fetal forms of hemoglobin in various solid tumors suggested the presence of an alternative origin for high affinity hemoglobin [ 68].
However, recent work has suggested an alternative origin, by demonstrating the ability of IHCs to generate this spontaneous activity without activation by ATP.
Many studies have considered alternative origins of fibroblasts in scarring and fibrosis.
These cases suggest either the existence of alternative origins of such diseases in cattle or phenotypic changes of PrPres after infection with the BSE agent.
This finding implies an alternative possible origin of these structural properties, and suggests the mechanisms underlying establishment metabolite distributions across plant species are simpler than expected.
An alternative possible origin of trNK cells is a progenitor that seeds the peripheral organs during embryonic or fetal life.
If there is correlation between unemployment rates of alternative origin countries, the estimated coefficient of the impact of unemployment rate in the origin country on foreign migration flows is biased upwards.
