Multiple lines of evidence for the origin of domesticated chili pepper,<i>Capsicum annuum</i>, in Mexico

Kraft, Kraig H.; Brown, Cecil H.; Nabhan, Gary Paul; Luedeling, Eike; Ramírez, Javier Ruiz; D'Eeckenbrugge, Géo Coppens; Hijmans, Robert J.; Gepts, Paul

doi:10.1073/pnas.1308933111

Cited by 243 publications

(182 citation statements)

References 42 publications

(44 reference statements)

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“…Finally, another early crop documented in this study is the chili pepper, which at St. John appears in contexts earlier than those documented elsewhere in the Americas by Perry et al (2007), and Kraft et al (2014). At Eva 2, chili pepper was documented also in the earliest sample.…”

Section: Discussionsupporting

confidence: 49%

Early dispersals of maize and other food plants into the Southern Caribbean and Northeastern South America

Jiménez

Rodríguez-Ramos

Reid

et al. 2015

Quaternary Science Reviews

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Section: Discussionsupporting

confidence: 49%

Early dispersals of maize and other food plants into the Southern Caribbean and Northeastern South America

Jiménez

Rodríguez-Ramos

Reid

et al. 2015

Quaternary Science Reviews

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“…1) (3,7,11,15,16). Some of these regions were the sources of major domesticates that spread to adjacent regions, whereas others involved more regionally important species often regarded as "minor" crops today (7,17). The combined data also clearly show that two major chronological periods are of greatest interest: the transition to the Holocene from about 12,000-9,000 B.P.…”

Section: Spatial and Temporal Patterns Of Domesticationmentioning

confidence: 84%

Current perspectives and the future of domestication studies

Larson

Piperno

Allaby

et al. 2014

Proc. Natl. Acad. Sci. U.S.A.

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639

544

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It is difficult to overstate the cultural and biological impacts that the domestication of plants and animals has had on our species. Fundamental questions regarding where, when, and how many times domestication took place have been of primary interest within a wide range of academic disciplines. Within the last two decades, the advent of new archaeological and genetic techniques has revolutionized our understanding of the pattern and process of domestication and agricultural origins that led to our modern way of life. In the spring of 2011, 25 scholars with a central interest in domestication representing the fields of genetics, archaeobotany, zooarchaeology, geoarchaeology, and archaeology met at the National Evolutionary Synthesis Center to discuss recent domestication research progress and identify challenges for the future. In this introduction to the resulting Special Feature, we present the state of the art in the field by discussing what is known about the spatial and temporal patterns of domestication, and controversies surrounding the speed, intentionality, and evolutionary aspects of the domestication process. We then highlight three key challenges for future research. We conclude by arguing that although recent progress has been impressive, the next decade will yield even more substantial insights not only into how domestication took place, but also when and where it did, and where and why it did not.The domestication of plants and animals was one of the most significant cultural and evolutionary transitions in the ∼200,000-y history of our species. Investigating when, where, and how domestication took place is therefore crucial for understanding the roots of complex societies. Domestication research is equally important to scholars from a wide range of disciplines, from evolutionary biology to sustainability science (1, 2). Research into both the process and spatiotemporal origins of domestication has accelerated significantly over the past decade through archaeological research, advances in DNA/ RNA sequencing technology, and methods used to recover and formally identify changes in interactions among plants and animals leading to domestication (2-4). In the spring of 2011, 25 scholars with a central interest in domestication and representing the fields of genetics, archaeobotany, zooarchaeology, geoarchaeology, and archaeology met at the National Evolutionary Synthesis Center to discuss recent progress in domestication research and identify challenges for the future. Our goal was to begin reconsidering plant and animal domestication within an integrated evolutionary and cultural framework that takes into account not just new genetic and archaeological data, but also ideas related to epigenetics, plasticity, geneby-environment interactions, gene-culture coevolution, and niche construction. Each of these concepts is relevant to understanding phenotypic change, heritability, and selection, and they are all fundamental components of the New Biology (5) and Expanded Modern Evolutionary Synthesis (6).

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“…are an economically important genus of the Solanaceae family and pepper plants are grown around the world because of their adaptation to different agro-climatic regions (Kraft et al, 2014). In particular, Habanero pepper (Capsicum chinense Jacq.)…”

Section: Introductionmentioning

confidence: 99%

Bacillus spp. inoculation improves photosystem II efficiency and enhances photosynthesis in pepper plants

Samaniego-Gámez¹,

Garruña-Hernández²,

Tun-Suárez³

et al. 2016

Chilean J. Agric. Res.

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Bacillus is one of the main rhizobacteria to have been used as a study model for understanding many processes. However, their impact on photosynthetic metabolism has been poorly studied. The aim of this study was to evaluate the physiological parameters of pepper (Capsicum chinense Jacq.) plants inoculated with Bacillus spp. strains. Pepper seeds were inoculated with Bacillus cereus (K46 strain) and Bacillus spp. (M9 strain; a mixture of B. subtilis and B. amyloliquefaciens), chlorophyll fluorescence and gas exchange were evaluated. The ANOVA (P ≤ 0.05) showed that the maximum photochemical quantum yield of photosystem II (PSII) (F v /F m ) in plants inoculated with the M9 strain (0.784) increased with respect to other treatments (K46: 0.744 and Control: 0.739). Inoculated plants with M9 and K46 strains exhibited an increase of both photochemical quenching (qP) (by 27% and 24%, respectively) and CO 2 assimilation rate (photosynthesis) (by 20% and 16%, respectively), when compared with non-inoculated plants. Furthermore, plants inoculated with M9 and K46 showed decreased transpiration (61% and 57%, respectively) with respect to controls. Likewise, both electron transport rate of PSII (ETR) and PSII operating efficiency (Φ PSII ) increased in inoculated plants. However, only plants inoculated with the M9 strain showed enhancements on all growth characteristics. Our results therefore show that inoculating plants with M9 strain positively influenced the performance of the photosynthetic mechanism in pepper plants to increase chlorophyll fluorescence and gas exchange parameters. Promotion of photosynthetic capacity in pepper was due to increased ETR in the thylakoid membranes, which was promoted by the bacteria. M9 strain could even be used in sustainable agriculture programs.

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Multiple lines of evidence for the origin of domesticated chili pepper,Capsicum annuum, in Mexico

Cited by 243 publications

References 42 publications

Early dispersals of maize and other food plants into the Southern Caribbean and Northeastern South America

Early dispersals of maize and other food plants into the Southern Caribbean and Northeastern South America

Current perspectives and the future of domestication studies

Bacillus spp. inoculation improves photosystem II efficiency and enhances photosynthesis in pepper plants

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