"occurred from" is correct and usable in written English.
You can use it to refer to the cause of something or to refer to the origin of something. For example: "The problem occurred from a lack of communication between the two teams."
More than half of the falls occurred among patients who were older than 75 years (55.3 %) and occured from a standing level due to a slip or trip (65.6 %).
The Soviet past, especially the terrible events that occured from 1935 to 1953, is a forbidden subject in Russia.
The mean annual precipitation is about 450 mm mainly occured from June to August and accounts for over 60% of the annual precipitation.
The empirical analysis focuses on the degree of property rights protection within Chinese provinces of major coal production enterprises during coal mine industry "mergers and reorganizations" that occured from 2008 to 2013.
Two false negative results occured from ductocopy.
Gene flow usually occured from the economically most important breeds to the landraces, but not backwards.
While for the adsorption of CO molecules, the relative less electrons (about −0.24 e − −0.35 e) transfer occuring from substrate to the adsorbed gases.
While many chemicals found in fracking fluid are known to be harmful, the levels of exposure occuring from fracking are unknown.
The initial rumors came out of two Toronto-area blogs (here and here), strongly suggesting that a direct or indirect leak occured directly from the company.
However, further studies should be made to test if the HT occured independently from the donor species to the four Oryza species or if the copy was first transferred to one rice species and then spread through the genus Oryza.
Interestingly, the mitochondrial retention of Cyt c (Fig. 4(b)) correlated with the failure of HCT116 cells to activate caspase-3 (Fig. 2(d)), while the same did not hold true in HeLa cells, where the progressive activation of caspase-3 (Fig. 1(d)) occured independently from the liberation of Cyt c (Fig. 5(b)).
