Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:11) that resulted in a more forked, vab-like phenotype in the p1p2cvp2 triple mutant,
these results suggest that PATL1/2 act in the same pathway as these functionally redundant 5PTases (Carland and Nelson, 2009; Carland and Nelson, 2004).
Category: