The phrase "a lesser important" is not correct in English.
The correct form would be "less important." You can use "less important" when comparing the significance of two or more things, indicating that one has a lower level of importance than the other.
Example: "While both tasks are necessary, the report is less important than the presentation due tomorrow."
Alternatives: "of lesser significance" or "not as important."
Heavy government spending to build roads, dams, rail and subway lines and other infrastructure projects in Taiwan has played a lesser but important role in increasing employment.
Ice cover plays a lesser, yet important role in headland evolution as both erosional and depositional mechanism while hard structure design dictates the overall bounds of beach form.
The facts and the course of the disease in this family suggest that KLHL9 mutations primarily affect muscle function, but it may be, to a lesser extent, important for the conservation of nerve function.
Although there are many different communities in the climax forests in the lake Victoria belt, there is a tendency towards dominance by the genera Celtis, Chrysophyllum, Aningeria, and Piptadeniastrum with lesser important species such as Morus, Holoptelea, Antiaris and Alstonia.
In the lower levels of the model, we have a smaller collection of more salient parts representing the target followed by increasing number of lesser important parts.
At first, only high-profile figures and celebrities were verified on Twitter, but today the network verifies other lesser important (ahem, not important at all) people, too (like me).
As said in the O-ring theory, energetically important hot residues are often clustered, and usually located at the center of lesser important residues.
The analysis also finds that in some sectors, horizontal co-operative ties are (albeit to a lesser extent) also important.
Our data show that 'remote' therapy has a lesser, but still important, impact.
Although tumor-secreted VEGF-C/-D and, even VEGF-A to a lesser extent, are important for inducing intratumoral lymphangiogenesis in solid tumor mass [ 22], our results demontrated that ITLs in gastric cancer didn't be stimulated by VEGF-C/-D-mediated VEGFR-3 signaling pathway or VEGF-A expression.
