Dolores R Piperno
Affiliation: Smithsonian Institution
- Processing of wild cereal grains in the Upper Palaeolithic revealed by starch grain analysisDolores R Piperno
Smithsonian Tropical Research Institute, Box 2072, Balboa, Republic of Panama
Nature 430:670-3. 2004..Our data indicate that routine processing of a selected group of wild cereals, combined with effective methods of cooking ground seeds, were practiced at least 12,000 years before their domestication in southwest Asia...
- Phylogenetic relationships among domesticated and wild species of Cucurbita (Cucurbitaceae) inferred from a mitochondrial gene: Implications for crop plant evolution and areas of originOris I Sanjur
Molecular Evolution Laboratories and Center for Tropical Paleoecology and Archaeology, Smithsonian Tropical Research Institute, Box 2072, Balboa, Republic of Panama
Proc Natl Acad Sci U S A 99:535-40. 2002..The wild ancestor of the other domesticated subspecies, C. pepo subsp. pepo, is undiscovered but is closely related to C. pepo subsp. fraterna and possibly will be found in southern Mexico...
- Early maize agriculture and interzonal interaction in southern PeruLinda Perry
Archaeobiology Program, Department of Anthropology, National Museum of Natural History, Smithsonian Institution, PO Box 37012, MRC 112, Washington, DC 20013 7012, USA
Nature 440:76-9. 2006....
- Paleontology. Dinosaurs dined on grassDolores R Piperno
National Museum of Natural History, Washington, DC 20560, USA
Science 310:1126-8. 2005
- Starch grains on human teeth reveal early broad crop diet in northern PeruDolores R Piperno
Archaeobiology Program, Department of Anthropology, Smithsonian National Museum of Natural History, Washington, DC 20560, USA
Proc Natl Acad Sci U S A 105:19622-7. 2008..P. Starch grain studies of dental remains document plants and edible parts of them not normally preserved in archaeological records and can assume primary roles as direct indicators of ancient human diets and agriculture...
- Identification of teosinte, maize, and Tripsacum in Mesoamerica by using pollen, starch grains, and phytolithsIrene Holst
Smithsonian Tropical Research Institute, Apartado Postal 0843 03092, Balboa, Republic of Panama
Proc Natl Acad Sci U S A 104:17608-13. 2007..Multiproxy microfossil studies of archaeological and paleoecological contexts appear to be effective tools for investigating the earliest stages of maize domestication and dispersals...
- Evidence for the control of phytolith formation in Cucurbita fruits by the hard rind (Hr) genetic locus: Archaeological and ecological implicationsDolores R Piperno
Smithsonian Tropical Research Institute, P O Box 2072, Balboa, Ancon, Republic of Panama
Proc Natl Acad Sci U S A 99:10923-8. 2002..When recovered from pre-Columbian archaeological sites, Cucurbita phytoliths represent genetically controlled fossil markers of exploitation and domestication in this important economic genus...
- Phytolith evidence for early Holocene Cucurbita domestication in southwest EcuadorDolores R Piperno
Smithsonian Tropical Research Institute (STRI, Balboa, Panama
Science 299:1054-7. 2003..These data provide evidence for an independent emergence of plant food production in lowland South America that was contemporaneous with or slightly before that in highland Mesoamerica...
- Starch fossils and the domestication and dispersal of chili peppers (Capsicum spp. L.) in the AmericasLinda Perry
Archaeobiology Program, Department of Anthropology, Smithsonian National Museum of Natural History, Post Office Box 37012, Washington, DC 20013 7012, USA
Science 315:986-8. 2007..The starch grain assemblages demonstrate that maize and chilies occurred together as an ancient and widespread Neotropical plant food complex that predates pottery in some regions...
- Microfossil evidence for pre-Columbian maize dispersals in the neotropics from San Andres, Tabasco, MexicoMary E D Pohl
Department of Anthropology, Florida State University, Tallahassee, FL 32306, USA
Proc Natl Acad Sci U S A 104:6870-5. 2007..Multiple data sets from many sites indicate that maize was brought under cultivation and domesticated and had spread rapidly out of its domestication cradle in tropical southwest Mexico by the eighth millennium before the present...