The phrase 'lesser importance than' is correct and may be used in written English.
This phrase is usually used when comparing two things to express that one is considered more important than the other. For example, "She views her career goals as having lesser importance than her family life."
Political parties are of lesser importance than personalities in Nauruan politics.
Indeed, these variables were of lesser importance than the attributes of the burned habitat.
It became a port for colonial New Granada, though it was of lesser importance than neighbouring Cartagena.
Results indicated that EAB impacts were significant but of lesser importance than surrounding viewscape development and visitor numbers.
Levitated drops are a class of microreactors for which mixing is continuous and solid/liquid interfaces are absent or of lesser importance than in channeled microfabricated flow reactors.
Thus, the wide variations seen in V region repertoires amongst vertebrates is likely to be of lesser importance than the preservation of one or more diverse CDR3 regions.
"Low utilisation means Ukraine's gas network is of lesser importance today than in the past," said US market analysts, Bernstein Research, in a note to clients.
A possible explanation for this phenomenon might by that origin is of lesser importance among women than among men; indeed, the educational profile of women with foreign origin resembles closely the one of native women.
That's right -- pay raises for the soldiers are of a lesser importance to Republicans than bailing out fatcats.
This AKAP7 molecular evolution study shows that these vital scaffolding proteins developed in ancestral vertebrates and that independent mutations in the AKAP7 genes of rodents and early primates has resulted in the recent formation of AKAP7δ, a splice variant of likely lesser importance in humans than currently described.
As such, network size may be of lesser importance for women's MHCU than the quality of social capital available to women through their networks.
