Insertion of the Maize Transposable Element AC Into Poplar

The recent sequencing of the first tree genome, that of the black cottonwood (Populus trichocarpa), opens a new chapter in tree functional genomics. While the completion of the genome is a milestone, mobilizing this significant resource for better understanding the growth and development of woody perennials will be an even greater undertaking in the years to come. In other model organisms, a critical tool for high-throughput analysis of gene function has been the generation of large mutagenized populations. Some mutagenesis technologies and approaches cannot be applied to trees because of their typically outcrossing breeding systems, high heterozygosity, large body size, and delayed flowering. In contrast, gene-tagging approaches that use insertional mutagenesis to create dominant phenotypes are ideally suited for trees and, especially, Populus. Both activation tagging and enhancer trap programs have been successful in identifying new genes important to tree development. The generation of genomewide insertional mutant populations, which provide direct functional links between genes and phenotypes, should help to integrate in silico analyses of gene and protein expression, association studies of natural genetic polymorphism, and phenotypic analyses of adaptation and development.

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“…Transfer, excision, and reintegration of the maize transposon, Ac, have been reported in Populus Howe et al 1994;Howe et al 1991; Fig. 1).…”

Section: Transposon-based Systems For Insertional Mutagenesis In Populusmentioning

confidence: 92%

Insertional mutagenesis in Populus: relevance and feasibility

Busov

Fladung²,

Groover

et al. 2005

Tree Genetics & Genomes

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“…We adopted the following classification: Baby Boomers (born 1946-1964), Gen-Xers (born 1965-1980), and Gen-Yers/Millennials (born after 1980) and had the following four groups: (1) Silent Generation (n = 13), (2) Baby Boomers (n = 233), (3) Gen-Xers (n = 148), and (4) Gen-Yers/Millennials (n = 3). 85 Due to the small sample size for the Silent Generation and Gen-Yers, we examine only two age cohorts. We had 88 female Baby Boomers, 145 male Baby Boomers, 87 female Gen-Xers, and 61 male Gen-Xers.…”

Section: Methodsmentioning

confidence: 99%

“…65 Boomers, Gen-eration Xers, and Gen-Yers will be vital forces in American society 20 years from now: Their attitudes and behaviors will have profound effects on the economy, the workplace, and social institutions in general. 66 The year 2006 was a major milestone for the 77 million Baby Boomers. Every seven seconds a Baby Boomer turned 60.…”

Section: Generational (Age-cohort) Differencesmentioning

confidence: 99%

Attitudes and Occupational Commitment among Public Personnel: Differences between Baby Boomers and Gen-Xers

Tang¹,

Cunningham²,

Frauman³

et al. 2012

Public Personnel Management

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We investigate the relationships between two work-related attitudes (the love of money and leisure ethic) and affective, continuance, and normative occupational commitment controlling gender, organizational tenure, and career tenure and test the model across Baby Boomers and Gen-Xers in a multi-group analysis. We collected data from a stratified random sample of the National Recreation and Park Association (NRPA) in the USA (N = 397). Results suggested that leisure ethic was positively related to affective commitment for Baby Boomers, whereas the love of money was negatively related to affective commitment for Gen-Xers. Career tenure was positively related to all three components of occupational commitment for both age cohorts. Gender (male) was positively related to love of money and negatively related to leisure ethic for Gen-Xers, but not for Baby Boomers. Further, the love of money was negatively related to affective commitment for male Gen-Xers, but not for female Gen-Xers. Results provide important implications for managing Baby Boomers and Gen-Xers.

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“…Adults' basic values reflect the socioeconomic conditions of childhood and adolescence (the socialization hypotheses) and place the greatest subjective value on the socioeconomic resources that were in short supply during their youth (the scarcity hypothesis). If we take into account a perspective based on Generational Cohort Theory (Howe & Strauss, 1991, we can also postulate similar perceptions on brand authenticity within each generational cohort, and different perceptions between the various cohorts.…”

Section: Generational Cohorts: Definition and Featuresmentioning

confidence: 99%

Generational Cohorts' Reactions

Pattuglia

Amoroso

2023

International Journal of Business Analytics

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The purpose of this study is to better understand the consumer behaviour, analysing the impact of brand authenticity on two main behavioural outcomes. The research aims also at finding out the behavioural differences of each generational cohort and to understand the effects on consumers' willingness to pay a premium price and on brand loyalty in the case of technological brands. The study follows a quantitative research design and uses a survey as a tool to collect data. The present work may suggest firms to be more targeted in their approach to create competitive advantage and strong relationships with their audiences. In present times, academics and practitioners must therefore recognize and take into consideration the differences across generational cohorts when studying and developing new marketing strategies.

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Insertion of the Maize Transposable Element AC Into Poplar

Cited by 9 publications

References 36 publications

Insertional mutagenesis in Populus: relevance and feasibility

Insertional mutagenesis in Populus: relevance and feasibility

Attitudes and Occupational Commitment among Public Personnel: Differences between Baby Boomers and Gen-Xers

Generational Cohorts' Reactions

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