ArticleFrontiers in genetics2026
Next-generation SNPs from lignin biosynthesis gene and transcription factors reveal a hidden teak (
Article in Frontiers in genetics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Teak ( Methods: A total of 98 SNPs derived from three lignin biosynthesis gene and transcription factors were utilized to estimate the genetic diversity and population structure of teak collected from 10 agro climatic states and maintained at NTGB, Chandrapur, India. Results: Among the studied populations, the Odisha teak population exhibited the highest allelic richness (P% = 88.78%, Na = 1.92, I = 0.32), whereas the Kerala teak population displayed the highest genetic diversity indices (Na (rar) = 1.16, Ne = 1.33, Ho = 0.15, and uHe = 0.20), identifying it as a key hotspot of genetic variation. Structural analysis based on the Pritchard model revealed three gene pools in Indian teak, providing novel genetic evidence that extends beyond the previously recognized two-tier population framework comprising southern and central Indian lineages. The third, previously undetected, hidden gene pool may represent an introduced lineage and is hypothesized to have originated from Myanmar. The high inbreeding coefficient of the third gene pool (F Discussion: These findings reveal a previously unrecognised genetic lineage in Indian teak, providing new insights into its population structure. Accurate documentation of native and introduced gene pools will support the identification of genetic diversity hotspots. The majority of Indian teak belongs to central Indian teak lineage; greater utilization of genetically diverse southern Indian teak could broaden the genetic base and enhance long-term sustainability.
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