Sourdough starter and open crumb

Sourdough starter and open crumb

 I’ve been looking for a recipe to follow where a good open crumb structure is pictured, and it seems like most of the breads I see that have that happen to be sourdough, which I don’t make yet (But would really like to.) I wonder if sourdough starter would be an essential part of making that open crumb or if it has any effect.

Source: Fresh Loaf