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Photosystem (PS) II is the multi-sub unit complex which uses light energy to split water, providing the reducing equivalents needed for photosynthesis. The complex is susceptible to damage from environmental stresses such as excess excitation energy and high temperature. This thesis investigates the in vivo photosynthetic consequences of impairments to PSII in Arabidopsis thaliana expressing an antisense construct to the PsbO proteins of PSII. Transgenic lines were obtained with between 25 and 100% of wild type (WT) PsbO protein content per leaf area, and this decrease coincided with a proportional decrease in functional PSII content. Low PsbO (less than 50% WT) plants had reduced quantum yields, grew more slowly and had lower chlorophyll content per leaf area. On a PSII centre basis however, the chlorophyll and light harvesting content was increased. Fast fluorescence measurements of DCMU-treated leaves indicated that the majority of PSII centres in the low-PsbO transgenics exhibited slow phase kinetics. It is suggested that the low-PsbO plants had a smaller pool of functional PSII centres, which mostly consists of centres inefficient in excitation energy transfer from the antenna to the core. The antisense construct reduced RNA expression for both PsbO isoforms expressed in arabidopsis, but expression of other photosynthetic genes was largely unaffected. Likewise, there was little change detected in leaf proteins representative of the major photosynthetic complexes (cytochrome b6f, ATP synthase, Rubsico) on an area basis, with the exception of a moderate decrease in PSI content. Oxygen evolution measurements showed that, while the reduced quantum yield limits photosynthetic rate at low light, the low-PsbO plants matched the photosynthetic oxygen evolution rates of WT plants at saturating irradiance. At high irradiance the oxygen evolution rate was sustained by maintaining a greater proportion of 'open' PSII centres, and as such the estimated catalytic rates of oxygen production per PSII centre were not different between WT and low-PsbO plants. PSII per se appears not to be a significant rate-limiting step to maximum light-saturated photosynthetic rates in arabidopsis, however in nature light induced inactivation of PSII may reduce maximum photosynthetic rates by impeding the diffusion of the lipid-soluble electron carrier plastoquinone through the thylakoid membrane.

The untouched - psychopathic personality types banned from professions where they could do harm. Agent Mullen is a man tasked with rooting out these dangerous social contaminants. Assigned to the newsroom of Dublin's most popular media service, he has to be careful when he meets Ava O'Dwyer, a woman who's prepared to begin a game where seduction, deceit and murder are all fair play... Winner of the Irish Writers Centre Novel Fair, People in Season by Simon Fay is a darkly compelling tale that you won't be able to put down.

Celebrate 75 years of the Sentinel of Liberty with this Vibranium-sized, slipcased collection of Captain America's greatest adventures from each decade - from the Golden Age, to Cap's 1950s revival, to his return after years on ice! Cap battles the Red Skull and his Sleepers, socks Hitler in the jaw, faces M.O.D.O.K. and the Secret Empire, and races against time in Baron Zemo's Bloodstone Hunt! Bucky Barnes returns as the Winter Soldier, and the Falcon steps up to wield the shield for an all-new era! Iconic tales of suspense from a score of industry legends! Collecting CAPTAIN AMERICA (1968) #169-175, #255 and #445-448; CAPTAIN AMERICA (2005) #8-9 and #11-14; and ALL-NEW CAPTAIN AMERICA #1-6 - plus material from CAPTAIN AMERICA COMICS #1-2, #7 and #10; CAPTAIN AMERICA (1954) #76-78; TALES OF SUSPENSE #72-74 and #92-94; and CAPTAIN AMERICA (1968) #357-362.

The full story of the revolutionary period in Kerry from current 'Kerryman' journalists as well as contemporary reports from the archives.

Proceedings of the 13th annual conference of the Australian Vocational Education and Training Research Association (AVETRA), held in 2010 in Gold Coast, Queensland. The conference theme is VET research, leading and responding in turbulent times. It reflects the volatile world economic situation over the past two years, and the effects that this has had on communities and people. VET is intimately connected both with the economy and with individuals who need high quality education and training to negotiate their relationships with the labour market and with society more generally. As the conference theme implies, VET needs to be proactive in turbulent times rather than merely responding to circumstances or to agendas set by other sectors. AVETRA aims to draw together researchers, policy makers and practitioners so that information can be shared and conflicting positions productively and amicably confronted. [President's welcome, ed].

Why do humans hold onto traditions? Many pundits predicted that modernization and the rise of a mass culture would displace traditions, especially in America, but cultural practices still bear out the importance of rituals and customs in the development of identity, heritage, and community. In Explaining Traditions: Folk Behavior in Modern Culture, Simon J. Bronner discusses the underlying reasons for the continuing significance of traditions, delving into their social and psychological roles in everyday life, from old-time crafts to folk creativity on the Internet. Challenging prevailing notions of tradition as a relic of the past, Explaining Traditions provides deep insight into the nuances and purposes of living traditions in relation to modernity. Bronner’s work forces readers to examine their own traditions and imparts a better understanding of raging controversies over the sustainability of traditions in the modern world.

Proceedings of the 16th biennial conference and exhibition of the Victorian Association for Library Automation (VALA), held in Melbourne in 2012.

Dani's year long journey to reach the cave is finally over, but her reunion with Miazan, the green dragon, is interrupted by Gwrana, an orange dragon sent by the Dragon King himself. Just when all seems lost, Dani is rescued by Prince Eyroc, to whom she was betrothed at the age of two. Now Dani is trapped in the gilded cage of Bimtor Castle, with the title of princess, and so many secrets to keep. Can she escape the castle and be reunited with Miazan? Or will her new fiance condemn her as a Thrall?

Dani's quest to began when she had nothing to live for, and no one to love her. Now she has an entire kingdom looking to her as their future queen, and a young Prince who loves her. She could delay becoming a dragon for several decades and have a human life, as Queen of Nebo, or she could leave the castle, leave Eyroc, and become a dragon now. The choice is hers to make, and it seems an easy decision at first. But when Dani meets her grandparents, their knowledge of her true past and the future they had planned for her comes into full focus.