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Fig. 1 | Genome Biology

Fig. 1

From: Megabase-scale presence-absence variation with Tripsacum origin was under selection during maize domestication and adaptation

Fig. 1

Characterization of a megabase-scale PAV, RegionA, in diverse maize inbreds and their wild relatives. a–c Fluorescence in situ hybridization (FISH) of RegionA-specific oligo probes on root tip metaphase chromosomes of B73, Mo17, and their F1 hybrid. RegionA-specific signals (red) were observed on a pair of homologous chromosomes of B73 metaphase cells (a), while absent on Mo17 metaphase chromosomes (b). Only one foci signal can be detected on mitotic metaphase spreads of B73 × Mo17 F1 hybrid (c). Scale bars = 10 μm. d Left: PAV map of RegionA and its flanking regions (2 Mb on each side) in diverse maize inbreds and their wild relatives. Each column represents a bin (dark green for presence bin, light green for absence bin), and each row represents a line (text color of green for Tripsacum; purple for Zea luxurians; yellow for teosintes; red for maize landraces; blue for maize inbreds). Right: The proportion of presence bins in RegionA for each line

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