Pollen Tip Growth (PDF)
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This book focuses on the biophysical aspects of tip growth: How do physical parameters like pressure, water potential, electrical fields, or ion currents contribute to and influence this specialized and highly dynamic form of cell growth?
It provides an updated and balanced overview of the current state of knowledge and future research perspectives regarding how pollen tubes' growth is driven and regulated by molecular interactions underlying the cellular processes. The individual chapters address topics ranging from molecular biophysical concepts to comprehensive omic studies and computational modeling of the tip growth process. In addition, a chapter on root hair cells is included to provide an alternative view on the underlying molecular principles of tip growth in general.
Each chapter provides a summary of cutting-edge techniques, results and experimental data; a statement, hypothesis or conclusion on the importance of the aspect described for tip growth, particularly pollen tip growth; and addresses open gaps in our understanding and potential approaches to remedying them.
The book offers experimental and theoretical solutions to help established researchers and newcomers to the field alike solve the many mysterious behaviors of pollen tube tips.
Prof Obermeyer's research focusses mainly on pollen physiology. Growth of pollen tubes through the style tissue is a prerequisite for successful fertilization which guarantees high crop yields for human nutrition. Problems caused by global warming like drought and temperature stress, can disturb pollen function and are studied using several single molecule/cell techniques in combination with -omics approaches to reveal functional protein complexes in the plasma membrane and their role in osmosensing and osmoregulation as well as in tip growth.
José Feijó studied Biology in the University of Lisbon, Portugal, specializing in Cell Biology of orchid pollen and a Master in Plant Biotechnology. During his Ph.D. he enlarged his focus into development, progressively introducing electrophysiology and mathematical modelling as routine approaches to the study of pollen tubes. A Fullbright fellowship brought him to Peter Hepler lab in the U. Massachussets in Amherst to further deepening his skills on ion imaging.
Research in Feijó's group is focused on the development of integrated models of apical cell growth and morphogenesis, using the pollen tube as a biological model, ion dynamics as an experimental paradigm and theoretical modeling as an integrative tool. The group uses Arabidopsis, lily, tobacco and tomato as model species for higher plants, and the moss Physcomitrella as an evolutionary correlate of apical growth evolution. On the path to develop models by which ion dynamics choreographies integrate spatial and temporal cues to coordinate cell biology, the group contributed with novel ion channels and sensors involved in pollen tube biology, and their regulation mechanisms. Most results involve a combination of imaging, electrophysiology, genetics and molecular biology. Feijó's group further pioneered transcriptomics of plant male gametes and its consequences for plant reproduction and improvement, namely at the epigenetics level. These activities were routinely grounded in collaborations with groups on over 12 countries in the 4 continents.
The authors met at the Sexual Plant Reproduction meeting in Vienna, Austria, 1998, and collaborate and became good friends ever since.
- 2017, 1st ed. 2017, 424 Seiten, Englisch
- Herausgegeben: Gerhard Obermeyer, José Feijó
- Verlag: Springer-Verlag GmbH
- ISBN-10: 3319566458
- ISBN-13: 9783319566450
- Erscheinungsdatum: 13.06.2017
Abhängig von Bildschirmgröße und eingestellter Schriftgröße kann die Seitenzahl auf Ihrem Lesegerät variieren.
- Dateiformat: PDF
- Größe: 8.44 MB
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