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Full-Text Articles in Life Sciences
A Most Surprising Fern: Serendipity And Browsing In Botanical Search, Douglas Tuers
A Most Surprising Fern: Serendipity And Browsing In Botanical Search, Douglas Tuers
Journal of the South Carolina Academy of Science
This article is a case study of botanical field work in the eastern United States in the early twentieth century. These cases will be analyzed as instances of browsing and serendipity. Browsing and serendipity have a rich literature in information science and this article will draw on this literature in order to better understand serendipity in botany. This article will show how botanical localities support browsing and serendipity for the botanists who search them. This article will also show how botanical institutions and botanists interface with localities in order to further support browsing and serendipity. As a whole this article …
Control Of Flower Size, Beth A. Krizek, Jill T. Anderson
Control Of Flower Size, Beth A. Krizek, Jill T. Anderson
Faculty Publications
Flowers exhibit amazing morphological diversity in many traits, including their size. In addition to interspecific flower size differences, many species maintain significant variation in flower size within and among populations. Flower size variation can contribute to reproductive isolation of species and thus has clear evolutionary consequences. In this review we integrate information on flower size variation from both evolutionary and developmental biology perspectives. We examine the role of flower size in the context of mating system evolution. In addition, we describe what is currently known about the genetic basis of flower size based on quantitative trait locus (QTL) mapping in …
Auxin Regulation Of Arabidopsis Flower Development Involves Members Of The Aintegumenta-Like/Plethora (Ail/Plt) Family, Beth A. Krizek
Auxin Regulation Of Arabidopsis Flower Development Involves Members Of The Aintegumenta-Like/Plethora (Ail/Plt) Family, Beth A. Krizek
Faculty Publications
Auxin is an important regulator of many aspects of plant growth and development. During reproductive development, auxin specifies the site of flower initiation and subsequently regulates organ growth and patterning as well as later events that determine reproductive success. Underlying auxin action in plant tissues is its uneven distribution, resulting in groups of cells with high auxin levels (auxin maxima) or graded distributions of the hormone (auxin gradients). Dynamic auxin distribution within the periphery of the inflorescence meristems specifies the site of floral meristem initiation, while auxin maxima present at the tips of developing floral organ primordia probably mediate organ …